def solveMeFirst(a,b):
	return a+b

// Enter your code here. Read input from STDIN. Print output to STDOUT
import 'dart:io';

void main(){
    int a = int.parse(stdin.readLineSync()!);
    int b = int.parse(stdin.readLineSync()!);
    print(solveMeFirst(a,b));
}

int? solveMeFirst(int a , int b){
    if(a>=1 && a<=1000 && b>=1 && b<=1000){
        return a+b;    
    }else{
       return  null;
    }
    
}