#include <iostream>
#include <string>
#include <algorithm>
using namespace	std;
int main(){

  int a0=0,a1=0,n;
  string s;
  cin>>s;
  n=s.size();
  reverse(s.begin(),s.end());
  for(int i=0;i<n;i++) a0+=s[i]-'0';
  for(int i=0;i<n;i++){
    if(i%2) a1+=5-(s[i]-'0');
    else a1+=s[i]-'0';
  }
  if(a0%3==0) cout<<"Fizz";
  if(a1%5==0) cout<<"Buzz";
  if(a0%3&&a1%5){
    reverse(s.begin(),s.end());
    cout<<s;
  }
 cout<<endl;
  return 0;
}