use proconio::input;
fn main() {
    input!{
        a:usize,
        b:usize,
    }
    for i in (a..b+1){
        let mut s=0;
        if i%3==0{
            print!{"{}\n",i};
            continue;
        }
        let mut c=i;
        while c>0{
            if c%10==3{
                s=1;break;
            }
            c/=10;
        }
        if s==1{
            print!("{}\n",i);
        }
    }
}