import java.util.*;

public class Main {
	public static void main(String args[]) {
		Scanner scan = new Scanner(System.in);

		int a = scan.hasNextInt() ? scan.nextInt() : -1;
		int b = scan.hasNextInt() ? scan.nextInt() : -1;
		if (a > 2000000000 || a < 1 || b > 2000000000 || b < 1) {
			System.out.println("入力エラー1");
			return;
		}
		int count = b - a;
		if (count > 99 || count < 0 ) {
			System.out.println("入力エラー2");
			return;
		}
		
		for(int i = a; i <= b; i++){
		    if(i >= 3){
    		    if(Integer.toString(i).contains("3")){
    		         System.out.println(i);
	    	    }
		        else if(i % 3 == 0){
		            System.out.println(i);
		        }
		    }
		}

	}
}