A * B Problem Plus

///@author Sycamore, ZJNU;
///@date 8/4/2017
import java.math.BigInteger;
import java.util.Scanner;
public class Main
{
	public static void main(String[] args)
	{
		Scanner cin = new Scanner(System.in);
		while (cin.hasNext())
		{
			BigInteger x = cin.nextBigInteger(), y = cin.nextBigInteger();
			System.out.println(x.multiply(y));
		}
	}

HDU 1402: A * B Problem Plus