COCI '17 Contest 5 #1 Olivander
View as PDFHarry Potter has damaged his magic wand in a fight with Lord Voldemort. He has decided to get a new wand in Olivander's wand shop. On the floor of the shop, he saw  wands and 
 wand boxes. The lengths of the wands are, respectively, 
, and the box sizes are 
. A wand of length 
 can be placed in a box of size 
 if 
. Harry wants to know if he can place all the wands in boxes so that each box contains exactly one wand.
Help him solve this difficult problem.
Input Specification
The first line of input contains the positive integer  
, the number from the task.
The second line contains  positive integers 
 
, the numbers from the task.
The third line contains  positive integers 
 
, the numbers from the task.
Output Specification
If Harry can place all the wands in boxes, output DA (Croatian for yes), otherwise output NE (Croatian for no).
Scoring
In test cases worth  of total points, it will hold 
.
Sample Input 1
3
7 9 5
6 13 10
Sample Output 1
DA
Sample Input 2
4
5 3 3 5
10 2 10 10
Sample Output 2
NE
Sample Input 3
4
5 2 3 2
3 8 3 3
Sample Output 3
DA
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