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));
}
}
}

}