e-olymp
Problems

Divide the apples - 2

Divide the apples - 2

prb4717n schoolchildren divide k apples evenly, the residue remains in the basket. How many apples remains in the basket?

Input

Two integers n and k not greater than 1500 - rarely happens in school more pupils, and where to find such a basket?

Output

Print the number of apples in the basket.

Time limit 1 second
Memory limit 128 MiB
Input example #1
3
14
Output example #1
2
Input example #2
10
100
Output example #2
0