use std::io::{self, Read};

#[derive(Debug)]
struct Input {
    a: i32,
    b: i32,
}

fn next_token(cin_lock: &mut io::StdinLock) -> String {
    cin_lock
        .by_ref()
        .bytes()
        .map(|c| c.unwrap() as char)
        .skip_while(|c| c.is_whitespace())
        .take_while(|c| !c.is_whitespace())
        .collect::<String>()
}

fn read_input(cin_lock: &mut io::StdinLock) -> Input {
    Input {
        a: next_token(cin_lock).parse().unwrap(),
        b: next_token(cin_lock).parse().unwrap(),
    }
}

fn solve(input: Input, _cin_lock: &mut io::StdinLock) {
    let predicate = |x: &i32| is_multiples_of_n(3, *x) || has_n(3, *x);

    let answers = (input.a..=input.b).filter(predicate);
    for ans in answers {
        println!("{}", ans);
    }
}

fn is_multiples_of_n(n: i32, x: i32) -> bool {
    x % n == 0
}

fn has_n(n: i32, mut x: i32) -> bool {
    while x > 0 {
        if x % 10 == n {
            return true;
        }

        x /= 10;
    }

    false
}

fn main() {
    let cin = io::stdin();
    let mut cin_lock = cin.lock();

    let input = read_input(&mut cin_lock);
    solve(input, &mut cin_lock);
}