UVA 10106 Product

java解决大数乘积。输入两个数，输出乘积。

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

public class Main{
    public static void main(String[] args){
        Scanner cin = new Scanner(System.in);
        BigInteger a, b;
        while(cin.hasNext()){
            a = cin.nextBigInteger();
            b = cin.nextBigInteger();
            a = a.multiply(b);
            System.out.println(a);
        }
    }
}