// https://www.hackerrank.com/challenges/java-biginteger/problem

import java.math.BigInteger;

import java.util.Scanner;

public class JavaBigInteger {

public static void main(String[] args) {

Scanner scanner = new Scanner(System.in);

BigInteger a = new BigInteger(scanner.next());

BigInteger b = new BigInteger(scanner.next());

System.out.println(a.add(b));

System.out.println(a.multiply(b));

}

}