#include <iostream>
#include <algorithm>
#include <functional>
#include <string>
#include <limits.h>
using namespace std;

bool check(int a){
	while(a > 0){
		if(a % 10 == 3){
			return true;
		}
		a /= 10;
	}
	
	return false;
}

int main(){
	int min,max;
	cin >> min >> max;
	int i = min;
	while(i <= max){
		if(i % 3 == 0 || check(i)){
			cout << i << endl;
		}
		i ++;
	}
	
	return 0;
}