hdu Buy the Ticket

import java.math.BigInteger;
import java.util.*;
public class Main {
    public static void main(String []args)
    {
        Scanner cin=new Scanner(System.in);
        int n,m,i;
        int t1=0;
        while(cin.hasNextBigInteger())
        {
            t1++;
            m=cin.nextInt();
            n=cin.nextInt();
            if(m==0&&n==0) break;
            System.out.println("Test #"+t1+":");
            if(n>m)
            {
                System.out.println("0");
            }
            else
            {
                BigInteger sum=new BigInteger("1");
                for(i=m+n; i>=1; i--)
                {
                    BigInteger c1=new BigInteger(((Integer)i).toString());
                    sum=sum.multiply(c1);
                }
                int c=(m-n+1);
                BigInteger m2=new BigInteger(((Integer)(m+1)).toString());
                BigInteger m1=new BigInteger(((Integer)c).toString());
                System.out.println(sum.multiply(m1).divide(m2));
            }
        }
    }

}