#include<iostream>
#include<string>

using namespace std;

int ctoi(const char c){
    if('0' <= c && c <= '9') return (c-'0');
  return -1;
} 
bool isMultiple(string s,int mod){
  int tmp=0;
  for(int i=0;i<s.size();i++)tmp=(tmp*4+(ctoi(s[i])))%mod;
  if(tmp==0)return true;
  else return false;
}
int main(){

    string str;
    cin>>str;
    if(isMultiple(str,3) && isMultiple(str,5))cout<<"FizzBuzz"<<endl;
    else if(isMultiple(str,3))cout<<"Fizz"<<endl;
    else if(isMultiple(str,5))cout<<"Buzz"<<endl;
    else cout<<str<<endl;
 
    return 0;
}