use std::io::stdin;
pub fn main() {
    let (a, b): (usize, usize) = {
        let mut b = String::new();
        let _ = stdin().read_line(&mut b);
        let mut v = b.split_whitespace().flat_map(|x| x.parse());
        (v.next().unwrap(), v.next().unwrap())
    };
    for i in a..b + 1 {
        if i % 3 == 0 || i.to_string().contains("3") {
            println!("{}", i);
        }
    }
}