#include<bits/stdc++.h>
using namespace std;
int main(){
	int a,b,h;
	cin>>a>>b;
	h=a+b;
	cout<<h<<endl;
	cin>>a>>b;
	h=a+b;
	cout<<h<<endl;
	return 0;
}  
/**************************************************************
	Problem: 1001
	User: HUANGYIBO
	Language: C++
	Result: Wrong Answer
****************************************************************/