#include"bits/stdc++.h"
using namespace std;
using ll = long long;
using ld = long double;
#define rep(i,m,n) for(ll i=(ll)m;i<(ll)n;i++)
#define Endl endl
#define pr(i,j) make_pair(i,j) 
const ll mod = 998244353;
const ll inf = 5e18;
const ld pi = 3.14159265358979;
int main() {
	ll a, b;
	cin >> a >> b;
	rep(i, a, b + 1) {
		bool f = false;
		if (i % 3 == 0)f = true;
		string s = to_string(i);
		rep(j, 0, s.length()) {
			if (s[j] == '3')f = true;
		}
		if (f)cout << i << endl;
	}
}