01. Unique PIN Codes

#include <iostream>

using namespace std;

int main() {
    int x, y, z;
    cin >> x >> y >> z;

    for (int i = 2; i <= x; i += 2) {
        if (i % 2 == 0) {
            for (int j = 2; j <= y; j++) {
                if (j == 2 || j == 3 || j == 5 || j == 7) {
                    for (int k = 2; k <= z; k += 2) {
                        if (k % 2 == 0) {
                            cout << i << " " << j << " " << k << endl;
                        }
                    }
                }
            }
        }
    }
    return 0;
}