fn main() {
    let mut line = String::new();
    let _ = std::io::stdin().read_line(&mut line);
    let numbers: Vec<i32> = line.trim().split_whitespace().map(|n| n.parse().unwrap()).collect();
    for i in numbers[0]..=numbers[1] {
        if i % 3 == 0 {
            println!("{}", i);
        } else if i.to_string().chars().find(|&n| n == '3').is_some() {
            println!("{}", i);
        }
    }
}