use std::io;
use std::io::{Stdin, BufRead};

struct Input {
    n: i32,
}

fn main() {
    let mut stdin = io::stdin();
    let input = read_input(&mut stdin);
    solve(input);
}

fn read_input(stdin: &mut Stdin) -> Input {
    let mut lock = stdin.lock();

    let mut s = String::new();
    lock.read_line(&mut s).expect("can't read 1st line.");
    let n = s.trim_end().parse::<i32>().expect("can't parse as i32.");
    Input { n }
}

fn solve(input: Input) {
    for n in 1..=input.n {
        println!("{}", fizz_buzz(n));
    }
}

fn fizz_buzz(n: i32) -> String {
    let fizz = if n % 3 == 0 { Some("Fizz") } else { None };
    let buzz = if n % 5 == 0 { Some("Buzz") } else { None };

    match (fizz, buzz) {
        (None, None) => n.to_string(),
        _ => format!("{}{}", fizz.unwrap_or_else(|| ""), buzz.unwrap_or_else(|| "")),
    }
}