[백준] 2338번

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

public class Main {
   public static void main(String[] args) {
      Scanner sc = new Scanner(System.in);

      BigInteger A = sc.nextBigInteger();
      BigInteger B = sc.nextBigInteger();
      sc.close();
      
      System.out.println(A.add(B));
      System.out.println(A.subtract(B));
      System.out.println(A.multiply(B));
   }
}