#include <iostream>
#include <iomanip>


using namespace std;

int main() {
    int i{0};

    while (i < 15) {

        cout << setw(4) << i << setw(4) << i/7 << setw(4) << i% 7 << endl;
        ++i;
        //i = i + 1;
    }

    i = 0;
    while (i < 10) {
        cout << rand() % 20 + 1 << endl;
        i++;
        //i = i + 1;
    }

    return 0;
}