import java.io.; import java.util.; import java.util.Scanner; import java.math.BigInteger; public class Solution {

public static void main(String[] args) {
        /* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */
        Scanner sc= new Scanner(System.in);
        BigInteger a = sc.nextBigInteger();
        BigInteger b = sc.nextBigInteger();
        BigInteger sum, mul;
        sum = a.add(b);
        mul = a.multiply(b);
        System.out.println(sum + "\n" + mul);
}

}****

import java.util.; import java.text.; import java.math.; import java.util.regex.;

public class Solution {

public static void main(String[] args) {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */
    Scanner sc = new Scanner(System.in);
    BigInteger a = new BigInteger(sc.nextLine());
    BigInteger b = new BigInteger(sc.nextLine());
     BigInteger sum = a.add(b);
      BigInteger prod = a.multiply(b);

    System.out.println(sum+"\n"+prod);
}

}

Scanner sc=new Scanner(System.in); BigInteger b1=sc.nextBigInteger(); BigInteger b2=sc.nextBigInteger(); BigInteger sum=b1.add(b2); BigInteger mul=b1.multiply(b2); System.out.println(sum); System.out.println(mul);

}

}

import java.io.; import java.util.; import java.text.; import java.math.; import java.util.regex.*;

public class Solution {

public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    BigInteger bigInt1 = sc.nextBigInteger();
    BigInteger bigInt2 = sc.nextBigInteger();
    BigInteger sum = bigInt1.add(bigInt2);
    BigInteger product = bigInt1.multiply(bigInt2);
    System.out.println(sum);
    System.out.println(product);
}

}

import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.math.BigInteger;

public class BigIntegerJava {

public static void main(String[] args) throws IOException {
    BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
    String a = reader.readLine();
    String b = reader.readLine();

    BigInteger num1 = new BigInteger(a);
    BigInteger num2 = new BigInteger(b);

    //addition
    //abstract negatives
    BigInteger addition = num1.abs().add(num2.abs());
    System.out.println(addition);

    //multiplication
    //abstract negatives
    BigInteger product = num1.abs().multiply(num2.abs());
    System.out.println(product);
}

}