2A

#include <iostream>
#include <iomanip>
using namespace std;

int main() {
    int a[3][3], dijagonala = 1;

    for (int i = 0; i < 3; i++) {
        for (int j = 0; j < 3; j++) {
            cin >> a[i][j];
            if ((i == j) &&(a[i][j]!=0)) {
                dijagonala *= a[i][j];
            }
        }
    }

    for (int i = 0; i < 3; i++) {
        for (int j = 0; j < 3; j++) {
            cout << setw(3) << a[i][j];
        }
        cout << endl;
    }

    cout << "Dijagonala = " << dijagonala;



    return 0;
}