import std.stdio, std.string, std.conv, std.algorithm, std.numeric;
import std.range, std.array, std.math, std.typecons, std.container, core.bitop;

void main() {
    char[] n;
    scan(n);

    n.reverse();

    int k = n.length.to!int;

    int m3, m5;

    foreach (i ; 0 .. k) {
        (m3 += n[i] - '0') %= 3;
        (m5 += (n[i] - '0') * (i & 1 ? 1 : 4)) %= 5;
    }

    if (!m3 & !m5) {
        writeln("FizzBuzz");
    }
    else if (!m3) {
        writeln("Fizz");
    }
    else if (!m5) {
        writeln("Buzz");
    }
    else {
        writeln(n.retro());
    }
}



struct Stack(T) {
private:
    int N, peek;
    T[] data;

public:
    this(int size) 
    {
        N = size;
        data = new T[](N);
    }

    bool empty() @property
    {
        return peek == 0;
    }

    bool full() @property
    {
        return peek == N;
    }

    void push(T x) @property
    {
        assert(!full);
        data[peek++] = x;
    }

    void pop() @property
    {
        assert(!empty);
        --peek;
    }

    T top() @property
    {
        return data[peek - 1];
    }

    void clear() @property
    {
        peek = 0;
    }

    int length() @property
    {
        return peek;
    }

}




void scan(T...)(ref T args) {
    string[] line = readln.split;
    foreach (ref arg; args) {
        arg = line.front.to!(typeof(arg));
        line.popFront();
    }
    assert(line.empty);
}



void fillAll(R, T)(ref R arr, T value) {
    static if (is(typeof(arr[] = value))) {
        arr[] = value;
    }
    else {
        foreach (ref e; arr) {
            fillAll(e, value);
        }
    }
}