#include<iostream>
#include<fstream>
#include<sstream>
#include<string>
#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<ctime>
#include<stack>
#include<queue>
#include<set>
#include<map>
#include<vector>
#include<list>
#include<algorithm>
#include<utility>
#include<complex>
#include<functional>
using namespace std;

#define LL long long
int main(void){
	LL A, B;
	cin >> A >> B;
	for (LL i = A; i <= B; i++){
		bool f = false;
		if (i % 3 == 0)f = true;
		string s = to_string(i);
		for (auto& var : s){
			if (var == '3')f = true;
		}
		if (f)cout << i << endl;
	}

	return(0);
}