#include <iostream>

using namespace std;

int main(){

int a;
cin>>a;
int b;
cin>>b;
int c;
cin>>c;
int d;
cin>>d;

int temp1;
int temp2;
temp1 = a + b;
temp2 = c + d;

cout<<temp1<<endl;
cout<<temp2<<endl;

return 0;
}