User kulacoglukoral

Points breakdown

88 / 100

AC | PYPY3

Phantom's Python Challenge

on May 4, 2022, 2:47 a.m.

35pp

weighted 100% (35pp)

100 / 100

AC | C++17

HCI '16 - Cheapest Operation Ever

on July 29, 2022, 12:08 a.m.

20pp

weighted 95% (19pp)

100 / 100

AC | C++17

APIO '10 P1 - Commando

on July 28, 2022, 3:27 a.m.

20pp

weighted 90% (18pp)

100 / 100

AC | C++17

DMOPC '21 Contest 9 P4 - Ace of Diamonds

on July 27, 2022, 2:11 a.m.

20pp

weighted 86% (17pp)

50 / 50

AC | PY2

Decoding

on Dec. 31, 2020, 5:47 p.m.

20pp

weighted 81% (16pp)

170 / 200

RTE | C++17

A Times B

on Dec. 25, 2021, 5:08 a.m.

17pp

weighted 77% (13pp)

100 / 100

AC | PY2

Self-deception

on Dec. 30, 2020, 4:11 a.m.

15pp

weighted 74% (11pp)

90 / 100

WA | C++17

Fibonacci Sequence

on May 21, 2022, 5:19 a.m.

14pp

weighted 70% (9.4pp)

100 / 100

AC | PYPY3

DMOPC '21 Contest 4 P3 - Palindromic Presents

on May 25, 2022, 4:07 p.m.

12pp

weighted 66% (8.0pp)

100 / 100

AC | C++17

DMOPC '21 Contest 9 P3 - Terrible Trains

on May 17, 2022, 5:53 p.m.

12pp

weighted 63% (7.6pp)

Problem	Score
An Animal Contest 1 P1 - Alpaca Shapes	3 / 3
An Animal Contest 1 P4 - Alpaca Arrays	1 / 10
An Animal Contest 2 P0 - Koala Matchmaking	3 / 3
An Animal Contest 3 P1 - Monkey Shopping	3 / 3
An Animal Contest 3 P2 - Monkey Potato	5 / 5
An Animal Contest 3 P3 - Monkey Market	7 / 7
An Animal Contest 3 P4 - Monkey Mayhem	7 / 7
An Animal Contest 4 P1 - Dasher's Digits	5 / 5
An Animal Contest 5 P1 - Bamboo Cookies	3 / 3
An Animal Contest 5 P2 - Permutations & Products	5 / 5
An Animal Contest 7 P1 - Squirrnect 4	3 / 3
An Animal Contest 7 P2 - Squirrel Structures	7 / 7

Problem	Score
Another Contest 5 Problem 1 - Goat Fence	3 / 3
Another Contest 9 Problem 1 - Black Room Boy	3 / 3

Problem	Score
BlueBook - Times Tables	3 / 3
BlueBook - Find the Character	3 / 3

Problem	Score
CCC '00 S1 - Slot Machines	5 / 5
CCC '00 S2 - Babbling Brooks	7 / 7
CCC '00 S3 - Surfing	7 / 7
CCC '00 S4 - Golf	7 / 7
CCC '00 S5 - Sheep and Coyotes	4 / 10
CCC '01 J1 - Dressing Up	3 / 3
CCC '01 J2 - Mod Inverse	3 / 3
CCC '01 S1 - Keeping Score	5 / 5
CCC '01 S2 - Spirals	5 / 5
CCC '01 S3 - Strategic Bombing	7 / 7
CCC '01 S4 - Cookies	10 / 10
CCC '02 J1 - 0123456789	3 / 3
CCC '02 J2 - AmeriCanadian	3 / 3
CCC '02 S1 - The Students' Council Breakfast	5 / 5
CCC '02 S2 - Fraction Action	5 / 5
CCC '03 J2 - Picture Perfect	3 / 3
CCC '03 S4 - Substrings	9 / 15
CCC '04 J1 - Squares	3 / 3
CCC '04 J2 - Terms of Office	3 / 3
CCC '04 J3 - Smile with Similes	3 / 3
CCC '05 J3 - Returning Home	5 / 5
CCC '06 J1 - Canadian Calorie Counting	3 / 3
CCC '06 J2 - Roll the Dice	3 / 3
CCC '07 J1 - Who is in the Middle?	3 / 3
CCC '07 J4 - Anagram Checker	5 / 5
CCC '08 J1 - Body Mass Index	3 / 3
CCC '09 S1 - Cool Numbers	5 / 5
CCC '10 J1 - What is n, Daddy?	3 / 3
CCC '11 J3 - Sumac Sequences	5 / 5
CCC '14 J1 - Triangle Times	3 / 3
CCC '14 J2 - Vote Count	3 / 3
CCC '14 J3 - Double Dice	3 / 3
CCC '14 S1 - Party Invitation	5 / 5
CCC '15 J1 - Special Day	3 / 3
CCC '15 J4 - Wait Time	5 / 5
CCC '15 S1 - Zero That Out	3 / 3
CCC '15 S2 - Jerseys	5 / 5
CCC '15 S3 - Gates	0.333 / 10
CCC '16 J2 - Magic Squares	3 / 3
CCC '16 S1 - Ragaman	3 / 3
CCC '16 S2 - Tandem Bicycle	5 / 5
CCC '17 J1 - Quadrant Selection	3 / 3
CCC '17 J2 - Shifty Sum	3 / 3
CCC '17 S1 - Sum Game	3 / 3
CCC '17 S2 - High Tide, Low Tide	5 / 5
CCC '18 J2 - Occupy parking	3 / 3
CCC '18 S1 - Voronoi Villages	3 / 3
CCC '18 S2 - Sunflowers	5 / 5
CCC '18 S3 - RoboThieves	12 / 12
CCC '19 J1 - Winning Score	3 / 3
CCC '19 J2 - Time to Decompress	3 / 3
CCC '19 J3 - Cold Compress	5 / 5
CCC '19 S1 - Flipper	3 / 3
CCC '19 S2 - Pretty Average Primes	2 / 5
CCC '20 J1 - Dog Treats	3 / 3
CCC '20 J3 - Art	3 / 3
CCC '20 J4 - Cyclic Shifts	5 / 5
CCC '20 S1 - Surmising a Sprinter's Speed	5 / 5
CCC '20 S2 - Escape Room	10 / 10
CCC '20 S3 - Searching for Strings	4.200 / 12
CCC '21 J1 - Boiling Water	3 / 3
CCC '21 J2 - Silent Auction	3 / 3
CCC '21 J3 - Secret Instructions	5 / 5
CCC '21 J4 - Arranging Books	7 / 7
CCC '21 S1 - Crazy Fencing	5 / 5
CCC '21 S2 - Modern Art	7 / 7
CCC '21 S3 - Lunch Concert	10 / 10
CCC '22 J1 - Cupcake Party	3 / 3
CCC '22 J2 - Fergusonball Ratings	3 / 3
CCC '22 J3 - Harp Tuning	5 / 5
CCC '22 J5 - Square Pool	10 / 10
CCC '22 S1 - Good Fours and Good Fives	5 / 5
CCC '22 S2 - Good Groups	5 / 5
CCC '96 S4 - When in Rome	10 / 10
CCC '98 S2 - Cross Number Puzzle	5 / 5
CCCHK '08 J2 - Lucky Number	3 / 3

Problem	Score
CCO '22 P1 - Alternating Heights	1.920 / 12
CCO '22 P2 - Rainy Markets	3.400 / 17
CCO '98 P2 - Message Deciphering	7 / 7

User kulacoglukoral

Points breakdown

AAC (52 points)

ACC (6 points)

APIO (20 points)

BlueBook (6 points)

CCC (348.533 points)

CCO (12.320 points)

China NOI (12 points)

Classics (45 points)

COCI (69.172 points)

DMOPC (230.703 points)

DWITE (20 points)

GFSSOC (12 points)

ICPC (12 points)

Mock CCC (110.341 points)

MWC (10 points)

SAC Coding Challenge (100.400 points)

Seasonal (29 points)

TLE (5.600 points)

Uncategorized (414.605 points)

VM7WC (5 points)

WAC (3 points)

Woburn Challenge (19 points)

YAC (68.600 points)

Problem	Score
NOI '22 Multi-Provincial Team Selection P1 - Preprocessor	5 / 10
NOI '22 Multi-Provincial Team Selection P3 - Community	0.800 / 40
NOI '22 Multi-Provincial Team Selection P4 - Card	6.200 / 25

Problem	Score
Sorting	3 / 3
Next Prime	5 / 5
Longest Increasing Subsequence	10 / 10
Modular Multiplicative Inverse	7 / 7
Quine	10 / 10
Unique Elements	3 / 3
Single Source Shortest Path	7 / 7

Problem	Score
COCI '07 Contest 6 #1 Parking	5 / 5
COCI '08 Contest 1 #1 Skocimis	5 / 5
COCI '08 Contest 6 #1 Buka	5 / 5
COCI '12 Contest 3 #1 Sahovnica	3 / 3
COCI '16 Contest 1 #1 Tarifa	3 / 3
COCI '20 Contest 2 #1 Crtanje	5 / 5
COCI '20 Contest 4 #1 Pizza	5 / 5
COCI '20 Contest 4 #2 Vepar	4.286 / 10
COCI '20 Contest 4 #4 Janjetina	2.727 / 20
COCI '21 Contest 2 #1 Kaučuk	5 / 5
COCI '21 Contest 2 #2 Kutije	2.857 / 10
COCI '21 Contest 3 #1 Lampice	5 / 5
COCI '21 Contest 3 #2 Cijanobakterije	0.900 / 10
COCI '21 Contest 4 #1 Autići	1 / 5
COCI '21 Contest 5 #1 Kemija	7 / 7
COCI '21 Contest 5 #2 Dijamant	2.857 / 10
COCI '21 Contest 5 #4 Radio	1.545 / 17
COCI '21 Contest 6 #1 Med	5 / 5

Problem	Score
DMOPC '14 Contest 1 P1 - Median Mark	5 / 5
DMOPC '14 Contest 1 P2 - Tiles	3 / 3
DMOPC '14 Contest 1 P3 - New Students	3 / 3
DMOPC '14 Contest 1 P4 - Perfect Timing	5 / 5
DMOPC '14 Contest 1 P5 - Surprise Teleport	7 / 7
DMOPC '14 Contest 1 P6 - Biology Homework	0.170 / 17
DMOPC '15 Contest 1 P1 - Itami and Manga	3 / 3
DMOPC '15 Contest 6 P2 - Tilt	4.500 / 5
DMOPC '16 Contest 1 P0 - C.C. and Cheese-kun	3 / 3
DMOPC '16 Contest 2 P4 - Zeros	7 / 7
DMOPC '17 Contest 5 P1 - IOI 101	3 / 3
DMOPC '18 Contest 5 P3 - A Familiar Problem	7 / 7
DMOPC '19 Contest 7 P0 - Contest Feedback	3 / 3
DMOPC '20 Contest 1 P1 - Victor Gets Quizzed	3 / 3
DMOPC '20 Contest 2 P1 - Laugh Graphs	5 / 5
DMOPC '20 Contest 3 P1 - Present Checking	5 / 5
DMOPC '20 Contest 3 P2 - Bob and Parallel-Ks	0.933 / 7
DMOPC '20 Contest 4 P1 - Missing Numbers	1.500 / 5
DMOPC '21 Contest 10 P1 - Japaneasy	5 / 5
DMOPC '21 Contest 10 P2 - Cycle Sort	7 / 7
DMOPC '21 Contest 10 P4 - Bitwise Telephone	0.900 / 17
DMOPC '21 Contest 4 P1 - Tree Shopping	7 / 7
DMOPC '21 Contest 4 P2 - Festive Groups	7 / 7
DMOPC '21 Contest 4 P3 - Palindromic Presents	12 / 12
DMOPC '21 Contest 5 P1 - Permutations & Primes	5 / 5
DMOPC '21 Contest 5 P2 - Permutations & Primes	7 / 7
DMOPC '21 Contest 5 P3 - Permutations & Primes	12 / 12
DMOPC '21 Contest 5 P4 - Permutations & Primes	3.400 / 17
DMOPC '21 Contest 5 P6 - Permutations & Primes	1.200 / 25
DMOPC '21 Contest 6 P1 - Bigger Big Integer	3 / 3
DMOPC '21 Contest 6 P2 - Gacha Luck	7 / 7
DMOPC '21 Contest 6 P3 - An Art Problem	10 / 10
DMOPC '21 Contest 6 P4 - Colourful Paths	5 / 15
DMOPC '21 Contest 7 P1 - Chika Grids	5 / 5
DMOPC '21 Contest 8 P1 - Peanut Planning	7 / 7
DMOPC '21 Contest 9 P1 - Board Numbers	7 / 7
DMOPC '21 Contest 9 P2 - String Puzzle	2.100 / 7
DMOPC '21 Contest 9 P3 - Terrible Trains	12 / 12
DMOPC '21 Contest 9 P4 - Ace of Diamonds	20 / 20
DMOPC '22 Contest 1 P1 - Up-down Sequence	5 / 5
DMOPC '22 Contest 3 P1 - Holiday Colouring	5 / 5
DMOPC '22 Contest 3 P2 - New Components	3 / 10
DMPG '16 B1 - BFS	3 / 3

Problem	Score
DWITE '07 R2 #1 - Not Quite Prime	5 / 5
DWITE '07 R5 #2 - Number of factors	5 / 5
DWITE '08 R1 #4 - What is this Roman Numeral	7 / 7
DWITE '08 R2 #2 - My favourite digit	3 / 3

Problem	Score
GFSSOC '14 Winter J1 - Flying Plushies	3 / 3
GFSSOC '15 Fall J1 - CodeFights	3 / 3
GFSSOC '15 Fall J2 - Fizz Fuzz	5 / 5
GFSSOC '15 Fall S3 - System(0);	1 / 10

Problem	Score
ACM U of T Tryouts C0 A - Max Flow	3 / 3
ACM U of T Tryouts C1 A - Rock Paper Scissors Fox	3 / 3
ACM U of T Tryouts C3 A - A Research Project	3 / 3
ACM U of T Tryouts C3 B - A Careful Reply	3 / 3

Problem	Score
Mock CCC '20 Contest 1 J1 - A Rage Tree Problem	3 / 3
Mock CCC '20 Contest 1 J2 - A Simplex Problem	3 / 3
Mock CCC '20 Contest 1 J3 - A Geometry Problem	3 / 3
Mock CCC '20 Contest 1 J4 - A Binary Problem	5 / 5
Mock CCC '22 Contest 1 J1 - Square Root Decomposition	3 / 3
Mock CCC '22 Contest 1 J2 - Biking and Hiking	3 / 3
Mock CCC '22 Contest 1 J3 - String Crossing Maximization	7 / 7
Mock CCC '22 Contest 1 J4 - Snowball Fight	5 / 5
Mock CCC '22 Contest 2 J1 - Opening Ceremony	3 / 3
Mock CCC '22 Contest 2 J2 - Snowboarding Championship	3 / 3
Mock CCC '22 Contest 2 J3 - Figure Skating Fun	5 / 5
Mock CCC '22 Contest 2 J4 - Hockey Bracket	7 / 7
Mock CCC '22 2 S1 - Kaguya Wants to Let Ishigami Pass	5 / 5
Mock CCC '22 2 S2 - Kaguya Wants to Grow the Student Council	10 / 10
Mock CCC '22 2 S3 - Kaguya Wants to Analyze the Academy Anthem	4.800 / 12
Mock CCC '23 2 S1 - Composite Fibonacci Numbers	3 / 3
Mock CCC '23 2 S2 - Keenan Hates Triangles	7 / 7
Mock CCC '19 Contest 1 J1 - Pusheen's Report Card	3 / 3
Mock CCC '19 Contest 1 J2 - Pusheen OCR	3 / 3
Mock CCC '19 Contest 1 J3 - Pusheen Eats Tuna Sashimi and Tuna Nigiri	3 / 3
Mock CCC '19 Contest 1 J4 - Pusheen Plays Neko Atsume	3 / 3
Mock CCC '19 Contest 1 J5 - Pusheen Designs a Sushi Boat	2.333 / 7
Mock CCC '19 Contest 2 J1 - Tudor Drinks Some Tea	3 / 3
Mock CCC '19 Contest 2 J2 - Tudor Drinks Some More Tea	3 / 3
Mock CCC '19 Contest 2 J3 - Tudor Buys Some Tea	3 / 3
Mock CCC '19 Contest 2 J4 - Tudor Buys Some Cheesecake	3 / 3
Mock CCC '19 Contest 2 J5 - Tudor Drinks Even More Tea	3.333 / 10
Mock CCC '21 S2 - Colorful Strings	0.875 / 7

Problem	Score
SAC '22 Code Challenge 1 P1 - That Teacher	3 / 3
SAC '22 Code Challenge 1 P2 - That Circle	3 / 3
SAC '22 Code Challenge 2 P1 - Calendar Management	5 / 5
SAC '22 Code Challenge 2 P2 - Cookie Sprinkler	5 / 5
SAC '22 Code Challenge 2 P3 - Rating Choices	7 / 7
SAC '22 Code Challenge 3 Junior P1 - Normal Problem	3 / 3
SAC '22 Code Challenge 3 Junior P2 - Normal Lines	3 / 3
SAC '22 Code Challenge 3 Junior P3 - Normal Probabilities	3 / 3
SAC '22 Code Challenge 3 Junior P4 - Normal Conversions	5 / 5
SAC '22 Code Challenge 3 Junior P5 - Normal Encoding	2 / 10
SAC '22 Code Challenge 4 Junior P1 - Obligatory DeMello Problem	3 / 3
SAC '22 Code Challenge 4 Junior P2 - Obligatory Geometry Problem	3 / 3
SAC '22 Code Challenge 4 Junior P3 - Obligatory Triangle Problem	5 / 5
SAC '22 Code Challenge 4 Junior P4 - Obligatory Permutation Problem	2.100 / 7
SAC '22 Code Challenge 4 P1 - Obligatory Car Problem	3 / 3
SAC '22 Code Challenge 4 P2 - Obligatory String Problem	5 / 5
SAC '22 Code Challenge 4 P3 - Obligatory Math Problem	5 / 5
SAC '22 Code Challenge 4 P4 - Obligatory Subarray Problem	2 / 10
SAC '22 Code Challenge 5 Junior P1 - Monkey, Type!	3 / 3
SAC '22 Code Challenge 5 Junior P2 - Badminton Scoring	3 / 3
SAC '22 Code Challenge 5 Junior P3 - Media List	5 / 5
SAC '22 Code Challenge 5 Junior P4 - Course Requirements	2.800 / 7
SAC '22 Code Challenge 5 P1 - Querying Plants	3 / 3
SAC '22 Code Challenge 5 P2 - Querying Extensions	5 / 5
SAC '22 Code Challenge 5 P3 - Querying Presents	7 / 7
SAC '22 Code Challenge 5 P5 - Querying Rectangles	4.500 / 15

Problem	Score
Back From Summer '17 P1: Pithy Pastimes	3 / 3
Back To School '17: 🅱aram🅱e	3 / 3
Miracle Sort	3 / 3
Triway Cup '19 Summer I - An Easy Problem	5 / 5
Triway Cup '19 Summer Junior P3 - Thor Goes for the Papaya	5 / 5
TLE 2018-19 P1 - Hello, World!	10 / 20

Problem	Score
TLE '16 Contest 8 P3 - Fool's Sequence	0.600 / 12
TLE '17 Contest 2 P2 - Unlucky Numbers	5 / 5

Problem	Score
16 BIT S/W ONLY	3 / 3
Mispelling	3 / 3
Mirrored Pairs	3 / 3
Triple Fat Ladies	5 / 5
Appleby Contest '19 P1 - Darcy's Debilitating Demands	3 / 3
Appleby Contest '20 P1 - Terrific Triangles	3 / 3
Appleby Contest '20 P2 - Playful Playdoughs	0.800 / 5
Alphabet Score	3 / 3
A Plus B	3 / 3
A Plus B (Hard)	12 / 12
A Times B	17 / 20
PEG Test '14 - Balance	5 / 5
PEG Test '14 - Water	3 / 3
Adding Reversed Numbers	5 / 5
List Minimum	3 / 3
List Minimum (Easy)	3 / 3
List Minimum (Hard)	5 / 5
Lexicographically Least Substring	5 / 5
A Block Game	3 / 3
Bob's Rocks	5 / 5
Boolean	3 / 3
BPC 1 J1 - Facial Recognition	3 / 3
BPC 1 J2 - Cake	3 / 3
BPC 1 J3 - Group Project	5 / 5
BSSPC '21 J1 - Eggy's New Clothes	3 / 3
BSSPC '21 J2 - James and Youtube	3 / 3
BSSPC '21 J3 - Magic Paint Gun Cartridges	5 / 5
BSSPC '21 J4 - James's Magical Soups	7 / 7
BSSPC '21 J5 - James and the Euclid Test	1.400 / 7
BSSPC '21 S1 - Lakshy and Palindromic Rectangle	5 / 5
BSSPC '22 P5 - Derrick and Orz Trees	7 / 7
Coin Change	7 / 7
Cheerio Contest 1 J1 - Pronounceable Words	3 / 3
Cheerio Contest 1 J2 - Phys Ed Class	3 / 3
Cheerio Contest 1 J3 - Festival	5 / 5
Cheerio Contest 1 S1/J4 - Going to School	5 / 5
Cheerio Contest 3 P1 - Wet Floor	5 / 5
Cheerio Contest 3 P2 - Double-O-Seven	5 / 5
Cheerio Contest 3 P3 - Everything Array	4.800 / 12
CPC '21 Contest 1 P0 - AQT and Alphabet	3 / 3
CPC '21 Contest 1 P1 - AQT and Fractions	0.500 / 5
Maximum Sum	7 / 7
Longest Increasing Subsequence	7 / 7
Educational DP Contest AtCoder D - Knapsack 1	7 / 7
Diagnostic Test '16 Level 1 P2 - FaxPrimes	5 / 5
Fibonacci Sequence	13.500 / 15
PEG Test '11 - Cyclopian Cash	3 / 3
HCI '16 - Foodie	1.400 / 7
HCI '16 - Cheapest Operation Ever	20 / 20
Hello, World!	3 / 3
Longest Balanced Subsequence	4.500 / 15
MALD Contest 1 P1 - Scratch Cat and DDoS	3 / 3
MALD Contest 1 P2 - Scratch Cat and Examinations	5 / 5
MALD Contest 1 P4 - Scratch Cat and Demolition	1.500 / 15
MALD Contest 1 P5 - Scratch Cat and Desktop Backgrounds	1.700 / 17
The Odd Number	7 / 7
Path Finder	10 / 10
Phantom's Python Challenge	35 / 40
Prime Factorization	5 / 5
Primes	3 / 3
Primes 2	7.500 / 15
VMSS Pre-Windsor P1 - Java	3 / 3
Self-deception	15 / 15
Decoding	20 / 20
Jason's Theorem	4.545 / 10
SGS Programming Challenge P1 - XOR in Computer Class	7 / 7
SGS Programming Challenge P2 - Vending Machine in Lunch	10 / 10
SGS Programming Challenge P3 - Tree in Biology Class	1.500 / 15
SGS Programming Challenge P4 - Toy in Psychology Class	2.500 / 17
Python Infinite Loop	0.210 / 7
A Subarray Problem	7 / 7
Towers	3 / 3
TSS Club Fair 2017 Problem B	7 / 7
UTS Open '15 #3 - Pogo	1.250 / 25
VPEX P0 - Pizza	3 / 3

Problem	Score
WC '15 Contest 4 J2 - Mission Briefing	3 / 3
WC '17 Contest 3 J3 - Uncrackable	5 / 5
WC '17 Contest 4 J1 - Fight or Flight	3 / 3
WC '18 Contest 3 J1 - An Honest Day's Work	3 / 3
WC '95 P5 - Factorial Power	5 / 5

Problem	Score
Yet Another Contest 1 P1 - Mixed Doubles	7 / 7
Yet Another Contest 1 P2 - A Boring Problem	1 / 10
Yet Another Contest 1 P3 - Fluke	10 / 10
Yet Another Contest 2 P1 - Betting	5 / 5
Yet Another Contest 2 P2 - Secret Sequence	2.100 / 7
Yet Another Contest 3 P1 - Shell Swap Scam	5 / 5
Yet Another Contest 3 P2 - Work Experience	1 / 10
Yet Another Contest 4 P1 - Snap	5 / 5
Yet Another Contest 4 P2 - Alchemy 2	7 / 7
Yet Another Contest 4 P3 - Canadian Cactus Competition	2.400 / 12
Yet Another Contest 4 P6 - No More Solitaire	6 / 20
Yet Another Contest 5 P1 - Number Pyramid	7 / 7
Yet Another Contest 5 P2 - Big Score	3 / 10
Yet Another Contest 6 P1 - No More Separation	5 / 5
Yet Another Contest 6 P2 - No More Telemarketers	2.100 / 7