import java.util.*;
import java.io.*;
import static java.util.Arrays.*;
import static java.lang.Math.*;

public class No0207 {
    
    static final Scanner in = new Scanner(System.in);
    static final PrintWriter out = new PrintWriter(System.out,false);

    static void solve() {
        long a = in.nextLong();
        long b = in.nextLong();
        while(a%3 != 0) a++;

        for (long i=a; i<=b; i++) {
            if (i%3 == 0) {
                out.println(i);
            }else {
                String s = String.valueOf(i);
                for (int j=0; j<s.length(); j++) {
                    if (s.charAt(j) == '3') {
                        out.println(i);
                        break;
                    }
                }
            }
        }
    }

    public static void main(String[] args) {
        long start = System.currentTimeMillis();

        solve();
        out.flush();

        long end = System.currentTimeMillis();
        //trace(end-start + "ms");
        in.close();
        out.close();
    }

    static void trace(Object... o) { System.out.println(deepToString(o));}
}