poj 2635...再来一道...

import java.math.*;
import java.util.*;
import java.io.*;

public class Main {
    public static void main(String[] args)
    {
        Scanner cin = new Scanner(new BufferedInputStream(System.in));
        BigInteger p,m,ans;
        int b;
        while ( cin.hasNext() )
        {
            
            b = cin.nextInt();
            if ( b == 0 )
                break;
            p = cin.nextBigInteger(b);
            m = cin.nextBigInteger(b);
            ans = p.mod(m);
            System.out.println(ans.toString(b));
        }
    }
}