#include <bits/stdc++.h>
#define FOR(i,a,b) for(int i = (a); i < (b); ++i)
#define REP(i,n) FOR(i,0,n)
#define SZ(n) (int)(n).size()
using namespace std;
typedef long long ll;
typedef vector<int> VI;

int main() {
	int a, b;
	cin >> a >> b;
	VI ans;
	REP(i, b - a + 1) {
		int ai = a + i;
		int t = ai;
		if ((ai) % 3 == 0) {
			ans.push_back(ai);
			continue;
		}
		REP(i, t) {
			if (t % 10 == 3) ans.push_back(ai);
			t /= 10;
		}
	}
	if (SZ(ans) == 0) {
		return 0;
	}
	else {
		REP(i, SZ(ans)) {
			cout << ans[i] << endl;
		}
	}
	return 0;
}