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

#define FOR(i,a,b) for(ll i=(a);i<(b);++i)
#define ALL(v) (v).begin(), (v).end()
#define p(s) cout<<(s)<<endl
#define p2(s, t) cout << (s) << " " << (t) << endl
#define br() p("")
#define pn(s) cout << (#s) << " " << (s) << endl
#define p_yes() p("Yes")
#define p_no() p("No")

ll f(string s, ll mod){
    ll ans = 0;
    for(char c : s){
        ans *= 4;
        ll v = c - '0';
        ans += v;
        ans %= mod;
    }
    return ans;
}

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);

    // input
    string s;
    cin >> s;

    ll m3 = f(s, 3);
    ll m5 = f(s, 5);
    ll m15 = f(s, 15);

    if(m15==0){
        p("FizzBuzz");
    }
    else if(m3==0){
        p("Fizz");
    }
    else if(m5==0){
        p("Buzz");
    }
    else{
        p(s);
    }

    return 0;
}