#include <iostream>
using namespace std;

int main()
{
    int niza[5];

    niza[0] = 10;
    niza[1] = 20;
    niza[2] = 30;
    niza[3] = 40;
    niza[4] = 50;

    int zbir = 0;
    for(int i = 0; i < 5; i++) {
        zbir += niza[i];
    }
    cout << zbir << endl;



    return 0;
}