[쉬움]2진수 곱셈

import java.util.Scanner;

public class Main {

public static void main(String[] args){

Scanner in = new Scanner(System.in);

String[] arr = in.nextLine().split(" ");

int num = Integer.parseInt(arr[0], 2)*Integer.parseInt(arr[1], 2);

System.out.println(Integer.toBinaryString(num));

}

}