#include <bits/stdc++.h>
using namespace std;

void solve(){
  int n;cin>>n;
  for(int i='b'-'a';i<=n;i++){
    if(i%('d'-'a')&&i%('f'-'a'))cout<<i;
    else if(i%('f'-'a'))cout<<"Fizz";
    else if(i%('d'-'a'))cout<<"Buzz";
    else cout<<"FizzBuzz";
    cout<<endl;
  }
}

int main(){
  solve();
}