Lisa works as a waitress in a restaurant. Tonight is her birthday so Lisa asked the chef to prepare his special meal for her friends. The chef's meal is made of
There are some ingredients already available in the kitchen and Lisa will buy the rest at the grocery store. The store has all the necessary ingredients, each coming in smaller and larger packages. Lisa has
Input Specification
The first line contains two integers
Each of the following
, , the amount of the ingredient needed in one serving; , , the amount of the ingredient already available in the kitchen; , , the size of the smaller package at the store; , , the price of the smaller package; , , the size of the larger package; and , , the price of the larger package.
Output Specification
Output the largest number of servings the chef can make if Lisa spends her money wisely.
Sample Input 1
2 100
10 8 10 10 13 11
12 20 6 10 17 24
Sample Output 1
5
Sample Input 2
3 65
10 5 7 10 13 14
10 5 8 11 14 15
10 5 9 12 15 16
Sample Output 2
2
In the first example, for
The chef will then have
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