#include <iostream>

using namespace std;
int main() {
    setlocale(LC_ALL, "Rus");
    bool isThere = false;
    int** array;
    array = new int* [4];
    for (int i = 0; i < 4; i++) {
        array[i] = new int[4];
    }
    cout << "Enter numbers\n";
    for (int i = 0; i < 4; i++) {
        for (int j = 0; j < 4; j++) {
            cout << "array [" << i + 1 << "][" << j + 1 << "] = ";
            cin >> array[i][j];
        }
    }
    cout << endl;


    for (int i = 0; i < 4; i++) {
        cout << endl;
        for (int j = 0; j < 4; j++) {
            cout << array[i][j] << " ";
        }
    }
    int mult = 1;
    for (int i = 1; i < 4; i++) {
        if (array[0][i] < 0) {
            mult *= array[0][i];
            isThere = true;
        }
    }

    for (int i = 2; i < 4; i++) {
        if (array[1][i] < 0) {
            mult *= array[1][i];
            isThere = true;
        }
    }

    if (array[2][3] < 0) {
        mult *= array[2][3];
        isThere = true;
    }

    if (isThere) {
        for (int i = 0; i < 4; i++) {
            array[i][i] += mult;
        }
        for (int i = 0; i < 4; i++) {
            cout << endl;
            for (int j = 0; j < 4; j++) {
                cout << array[i][j] << ' ';
            }
        }
    }
    else {
        cout << "\nТаких значений нет";
    }

    return 0;
}