#include <iostream>
using namespace std;

int main(void){
int n;
cin >> n;
for(int i = 'b'-'a';i <= n;i++){
bool flag = true;
if(i % ('d'-'a') == 'a'-'a'){
cout << "Fizz";
flag = false;
}
if(i % ('f'-'a') == 'a'-'a'){
cout << "Buzz";
flag = false;
}
if(flag)
cout << i;
cout << endl;
}
}