fn main() {
    let mut cnt = 0_u32;
    while cnt < 10 {
        print!("{} ", cnt);
        cnt += 1;
    }
    println!("");

    for i in 0..10 {
        print!("{} ", i);
    }
    println!();

    for i in 0..=10 {
        print!("{}", i);
        match i {
            _ if i % 2 == 0 => print!("[ORD]"),
            _ => (),
        }
        print!(" ");
    }
    println!();
}