#include <bits/stdc++.h>
using namespace std;
int main() {
	int n; cin >> n;
	int zero = 'a' - 'a';
	int one = 'b' - 'a';
	int three = 'd' - 'a';
	int five = 'f' - 'a';
	for(int i = one; i <= n; i++) {
		if(i % three == zero) cout << "Fizz";
		if(i % five == zero) cout << "Buzz";
		if(min(i % three, i % five) > zero) cout << i;
		cout << endl;
	}
	return zero;
}