#include <iostream>
#include <vector>
#include <cstdio>
#include <sstream>
#include <map>
#include <string>
#include <algorithm>
#include <queue>
#include <cmath>
#include <set>
using namespace std;

int main(){
	long long a,b;
	cin >> a >> b;
	for(; a<=b; a++){
		bool ok = false;
		ok = ok | (a%3 == 0) ;
		for(long long c=a; c>0; c /= 10){
			ok = ok | ((c%10) == 3);
		}
		if(ok) cout << a << endl;
	}
	return 0;
}