1226 - Numerical surprises

import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.Scanner;

class Main {

public static void main(String[] args) {
// TODO Auto-generated method stub
BigInteger a,b;
Scanner sc=new Scanner(System.in);
int n;
n=sc.nextInt();
while(n-->0)
{
a=sc.nextBigInteger();
b=sc.nextBigInteger();
b=b.remainder(a);
System.out.println(b);

}

}

}

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Amit Ghosh

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