Competitions

# Divide the apples - 2

n 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