#include <iostream>
#include <vector>//convinient container

using namespace std;

int main(){
    int arr[10];
    for(int i = 0;i<10;i++){
        cin>>arr[i];
    }
    vector <int> results;
    for(int i = 0;i<5;i++){
        results.push_back(arr[i]+arr[9-i]);
    }
    for(int&i:results){//since c++11
        cout<<i<<endl;
    }
    return 0;
}