Solution.java

import java.util.Scanner;
import java.math.BigInteger;

public class Solution {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        BigInteger x = new BigInteger(scan.next());
        BigInteger y = new BigInteger(scan.next());
        System.out.println(x.add(y));
        System.out.println(x.multiply(y));
    }
}