#include <bits/stdc++.h>
using namespace std;

int main()
{
	long long A, B;
	cin >> A >> B;

	vector<int> ans;
	for( long long n = A; n <= B; n++ ) {
		char c[16];
		sprintf( c, "%lld", n );
		string s = string( c );
		if( n % 3 == 0 || s.find( '3' ) != string::npos ) ans.push_back( n );;
	}

	for( int i = 0; i < ans.size(); i++ ) {
		cout << ans[i] << endl;
	}
}