#include <iostream>

using namespace std;

int main()
{
    int N;
    cin>>N;
    if ((N%2==0) && (N%3==0)){
        cout<<"fizzbuzz";}
        else{
            if (N%2==0){
                    cout<<"fizz";}
            else
            if(N%3==0){
                    cout<<"buzz";}}
            return 0;
}