UVa 10106 - Product

求两个数的的乘积

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

public class Main {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
        Scanner cin=new Scanner (System.in);
        BigInteger sum;
        BigInteger num;
        
        while ( cin.hasNext() ) {
        	sum = BigInteger.ONE;
        	for ( int i = 1; i <= 2; ++i ) {
        	    num = cin.nextBigInteger();
        	    sum = sum.multiply(num);
        	}
        	System.out.println(sum);
        }
        
    }
}