#include <bits/stdc++.h> 

using i64 = long long; 
using u64 = unsigned long long; 
using u32 = unsigned; 

using u128 = unsigned __int128; 
using i128 = __int128; 

void solve() {
	int A, B; std::cin >> A >> B;

	std::vector<int> ans;
	for(int i = A; i <= B; i ++) {
		bool ok = false;
		int a = i;
		while(a > 0) {
			if(a % 10 == 3) {
				ok = true;
				break;
			}
			a /= 10;
		}
		if(i % 3 == 0 || ok) ans.push_back(i);
	}

	for(const int& x : ans) std::cout << x << "\n";
} 

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

	int T = 1; 
	//std::cin >> T; 

	while (T--) { 
		solve(); 
	} 
	return 0; 
}