#![feature(set_stdio)]
extern crate itoa;

use std::fs::File;
use std::io::Write;

pub fn main() {
    use std::os::unix::io::FromRawFd;
    let mut stdout = unsafe { File::from_raw_fd(1) };

    for i in 1..100_000_000_u32 {
        if i % 15 == 0 {
            stdout.write(b"FizzBuzz\n").unwrap();
        } else if i % 5 == 0 {
            stdout.write(b"Fizz\n").unwrap();
        } else if i % 3 == 0 {
            stdout.write(b"Buzz\n").unwrap();
        } else {
            itoa::write(&mut stdout, i).unwrap();
        }
    }
}