OIG XIV - poz

// https://szkopul.edu.pl/problemset/problem/lw5UT-NoSzVkV5rZdEG7QRuP/site/?key=statement

#include <bits/stdc++.h>

int main() {
    std::ios_base::sync_with_stdio(0);
    std::cin.tie(0);
    std::cout.tie(0);

    int N;
    std::cin >> N;

    for (int i = 0; i < N; i++)
        std::cout << " @@@   @@@  ";
    std::cout << '\n';
    for (int i = 0; i < N; i++)
        std::cout << "@   @ @   @ ";
    std::cout << '\n';
    for (int i = 0; i < N; i++)
        std::cout << "@    @    @ ";
    std::cout << '\n';
    for (int i = 0; i < N; i++)
        std::cout << "@         @ ";
    std::cout << '\n';
    for (int i = 0; i < N; i++)
        std::cout << " @       @  ";
    std::cout << '\n';
    for (int i = 0; i < N; i++)
        std::cout << "  @     @   ";
    std::cout << '\n';
    for (int i = 0; i < N; i++)
        std::cout << "   @   @    ";
    std::cout << '\n';
    for (int i = 0; i < N; i++)
        std::cout << "    @ @     ";
    std::cout << '\n';
    for (int i = 0; i < N; i++)
        std::cout << "     @      ";
    std::cout << '\n';

    return 0;
}