use std::io::*;
use std::str::FromStr;

#[allow(dead_code)]
fn get_line() -> String {
    let stdin = stdin();
    let mut line = String::new();
    stdin.lock().read_line(&mut line).expect("io error.");
    line.trim().to_string()
}

#[allow(dead_code)]
fn cast<T: FromStr>(s: &str) -> T {
    s.parse().ok().expect("parse error.")
}

#[allow(dead_code)]
fn get_vec<T: FromStr>() -> Vec<T> {
    (&get_line()).split(' ').map(cast::<T>).collect()
}

fn main() {
    let v: Vec<u64> = get_vec();
    for i in v[0]..v[1]+1 {
        if i % 3 == 0 || contain3(i) {
            println!("{}", i);
        }
    }
}

fn contain3(n: u64) -> bool {
    let mut n = n;
    while n > 0 {
        if n % 10 == 3 {
            return true;
        }
        n /= 10;
    }
    return false;
}