#include <iostream>
#include <algorithm>
#include <vector>
#include <array>
using namespace std;

bool isNabeatsuNumber(long num){

	if (num % 3 == 0){
		return true;
	}

	int remainder = 0;

	while (num > 10){

		remainder = num % 10;

		if (remainder % 10 == 3) {
			return true;
		}

		num /= 10;
	}

	if (num % 10 == 3){
		return true;
	}

	return false;
}

int main(){

	long min, max;

	cin >> min >> max;

	for (long num = min; num <= max; num++){

		if (isNabeatsuNumber(num)){
			cout << num << endl;
		}
	}
	
	return 0;
}