#![allow(unused_imports)]
#![allow(non_snake_case)]
use std::collections::HashMap;
use std::collections::HashSet;
use std::collections::VecDeque;

#[allow(unused_macros)]
macro_rules! read {
    ([$t:ty] ; $n:expr) =>
        ((0..$n).map(|_| read!([$t])).collect::<Vec<_>>());
    ($($t:ty),+ ; $n:expr) =>
        ((0..$n).map(|_| read!($($t),+)).collect::<Vec<_>>());
    ([$t:ty]) =>
        (rl().split_whitespace().map(|w| w.parse().unwrap()).collect::<Vec<$t>>());
    ($t:ty) =>
        (rl().parse::<$t>().unwrap());
    ($($t:ty),*) => {{
        let buf = rl();
        let mut w = buf.split_whitespace();
        ($(w.next().unwrap().parse::<$t>().unwrap()),*)
    }};
}

#[allow(dead_code)]
fn rl() -> String {
    let mut buf = String::new();
    std::io::stdin().read_line(&mut buf).unwrap();
    buf.trim_end().to_owned()
}

fn main() {
    let n = read!(String);
    let mut b3 = 1;
    let mut b5 = 1;
    let mut m3 = 0;
    let mut m5 = 0;
    for e in n.chars().rev() {
        match e {
            '0' => {},
            '1' => {m3 = (m3 + b3*1) % 3; m5 = (m5 + b5*1) % 5; },
            '2' => {m3 = (m3 + b3*2) % 3; m5 = (m5 + b5*2) % 5; },
            '3' => {m3 = (m3 + b3*3) % 3; m5 = (m5 + b5*3) % 5; },
            _ => { unreachable!() }
        }
        b3 = (b3 * 4) % 3;
        b5 = (b5 * 4) % 5;
    }

    if m3 == 0 && m5 == 0 {
        println!("FizzBuzz");
    } else if m3 == 0 {
        println!("Fizz");
    } else if m5 == 0 {
        println!("Buzz");
    } else {
        println!("{}", n);
    }
}