Competitions
Week 1 Introduction Part 1
Divide the apples - 2

n schoolchildren divide k apples evenly, the residue remains in the basket. How many apples remains in the basket?
Input data
Two integers n and k not greater than 1500 - rarely happens in school more pupils, and where to find such a basket?
Output data
Print the number of apples in the basket.
Examples
Input example #1
3 14
Output example #1
2
Input example #2
10 100
Output example #2
0