#include "bits/stdc++.h"
using namespace std;
#define fastcin {\
    cin.tie(0);\
    ios::sync_with_stdio(false);\
}
#define rep(i, a, b) for(int i = a; i < b; i++)
#define rrep(i, a, b) for(int i = a; i >= b; i--)
#define fore(i, a) for(auto &i:a)
#define print(x) cout << x << "\n"
#define SORT(a, n) sort(a, a+n);
#define REVERSE(a,n) reverse(a,a+n);
#define VSORT(v) sort(v.begin(), v.end());
#define VREVERSE(v) reverse(v.begin(), v.end());
#define MOD 1000000007
#define yes "YES"
#define no "NO"
typedef long long ll;

bool pmod(string s, int m, int p) {
    int size = s.length(), tmp = 0;
    rep(i, 0, size) {
        tmp = (tmp*p + (s[i]-'0')) % m;
    }
    bool b;
    if(tmp) b = false;
    else b = true;
    return b;
}

int main() {
    fastcin;
    string S;
    cin >> S;
    bool b3 = pmod(S, 3, 4);
    bool b5 = pmod(S, 5, 4);
    if(b3) cout << "Fizz";
    if(b5) cout << "Buzz";
    if(!b3 && !b5) cout << S;
    cout << endl;
    return 0;
}