#include <iostream>

using namespace std;

int main() {
    int n;
    cin >> n;

    int mat[n][n];

    for(int i = 0; i < n; i++) {
        for(int j = 0; j < n; j++) {
            cin >> mat[i][j];
        }
    }
    // glavna dijagonala
    int zbir = 0;
    for(int i = 0; i < n; i++) {
        zbir += mat[i][i];
    }

    // sporedna dijagonala
    int zbir_sporedna = 0;
    for(int i = 0; i < n; i++) {
        zbir_sporedna += mat[i][n - 1 - i];
    }

    cout << zbir << endl;
    cout << zbir_sporedna << endl;
    return 0;
}