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

typedef long long ll;
#define FOR(i,a,b) for(int (i)=(a);i<(int)(b);i++)
#define rep(i,n) FOR(i,0,n)

bool f(string& s) {
    ll p = 0;
    for (auto&& c : s) p += c - '0';
    return p % 3 == 0;
}

bool g(string& s) {
    int p = 0;
    rep(i, s.size()) {
        int b = s[i] - '0';
        p += (i&i ? b : -b);
    }
    return abs(p) % 11 == 0;
}

int main() {
    string s;
    cin >> s;
    
    if (f(s) && g(s)) {
        cout << "FizzBuzz" << endl;
    }
    else if (f(s)) {
        cout << "Fizz" << endl;
    }
    else if (g(s)) {
        cout << "Buzz" << endl;
    }
    else {
        cout << s << endl;
    }

    return 0;
}