include<bits/stdc++.h>
using namespace std;
int main(){
	int a,b;
	cin>>a>>b;
	cout<<a+b<<endl;
	cin>>a>>b;
	cout<<a+b<<endl;	
return 0;
}
/**************************************************************
	Problem: 1001
	User: wtq001
	Language: C++
	Result: Compile Error
****************************************************************/