import java.util.Scanner;

public class WorldOfNabeatsu {
	
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int A = sc.nextInt();
		int B = sc.nextInt();
		int E = B - A + 1;
		int[] L = new int[E];
		int[] temporaryStorage = new int[E];
		
		for(int i = 0;i < E;i ++){
			L[i] = A;
			A ++;
		}
		
		String[] str = new String[E];
		
		for(int i = 0;i < E;i ++){
			str[i] = String.valueOf(L[i]);
		}
		
		for(int i = 0; i < E ; i++){
			if(L[i] % 3 == 0){
				System.out.println(L[i]);
				
			}else if(str[i].indexOf("3") >= 0){
				System.out.println(L[i]);
				
			}
			
		}
		
	}
	
}