#include <iostream>
#include <time.h>

int main()
{
    setlocale(LC_ALL, "Rus");
    int Matrix [5][5];
    srand(time(0));
    for (int i = 0; i < 5; i++)
        for (int j = 0; j < 5; j++)
        {
            Matrix[i][j] = rand() % 10;
        }
    int m;
    std::cin >> m;
    int s=0;
    for (int i = 0; i < 5; i++)
        for (int j = 0; j < 5; j++)
        {
            if (i + j == m)
            {
                s += Matrix[i][j];
            }

        }
    std::cout << "S = " << s;
}