View Code of Problem 1

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

/**
 * @Author Aisin Gioro.Q
 * @Time 2020 05 2020/5/13 16:15
 * @E-mail 1052561252@qq.com
 */
public class Main {
    public static void main(String[] args) {
        Scanner scanner=new Scanner(System.in);
        while(scanner.hasNext()){
            BigInteger a,b,c;
            a=scanner.nextBigInteger();
            b=scanner.nextBigInteger();
            c=a.add(b);
            System.out.println(c);

        }
    }
}