#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(i, n) for(int i = 0; i < (n); i++)
#define rep1(i, n) for(int i = 1; i <= (n); i++)
#define co(x) cout << (x) << "\n"
#define cosp(x) cout << (x) << " "
#define ce(x) cerr << (x) << "\n"
#define cesp(x) cerr << (x) << " "
#define pb push_back
#define mp make_pair
#define Would
#define you
#define please

int main() {
	cin.tie(0);
	ios::sync_with_stdio(false);


	int A, B;
	cin >> A >> B;
	for (int i = A; i <= B; i++) {
		if (i % 3 == 0) {
			co(i);
		}
		else {
			string S = to_string(i);
			int aru = 0;
			rep(i, S.size()) {
				if (S[i] == '3') aru = 1;
			}
			if (aru) co(S);
		}
	}



	Would you please return 0;
}