#include <iostream>
#include <algorithm>
#include <string>

using namespace std;

int main()
{
    int A, B;
    cin >> A >> B;
    for(int i = B; A <= i; i--)
    {
        string str = to_string(i);
        if(i % 3 == 0)
            cout << i << endl;
        else if(str.find("3") != -1)
        {
            cout << i << endl;
        }
    }
    return 0;
}