fn read<T: std::str::FromStr>() -> T
where
    <T as std::str::FromStr>::Err: std::fmt::Debug,
{
    let mut b = String::new();
    std::io::stdin().read_line(&mut b).unwrap();
    b.trim().parse().unwrap()
}

fn main() {
    let mut b = String::new();
    std::io::stdin().read_line(&mut b).unwrap();
    let mut iv: Vec<i32> = b
        .split(' ')
        .map(|x| x.trim().parse::<i32>().unwrap())
        .collect();
    let mut a = iv[0];
    let b = iv[1];

    while a <= b {
        if a % 3 == 0 || a.to_string().contains('3') {
            println!("{}", a);
        }
        a += 1;
    }
}