大整数加法 OpenJ_Bailian - 2981(Java提交注意主类名Main)

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

public class Main{
    public static  void main(String [] args){
        Scanner cin = new Scanner(System.in);
        BigInteger a,b;
        while(cin.hasNext()){
            a=cin.nextBigInteger();
            b=cin.nextBigInteger();
            BigInteger c = a.add(b);
            System.out.println(c);
        }
    }
}