OI-codes/Luogu/P2368/P2368.cpp

#include <bits/stdc++.h>

using namespace std;

int main() {
    int n;
    cin >> n;
    if (n <= 8) {
        cout << 0 << endl;
    } else if (n == 9) {
        cout << 8 << endl;
    } else {
        cout << 72;
        for (int i = 10; i < n; i++) {
            cout << 0;
        }
        cout << endl;
    }
    return 0;
}