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

int main() {
    ll A, B; cin >> A >> B;
    for(ll x=A;x<=B;x++) {
        bool f = x % 3 == 0;
        ll y = x;
        while(y) {
            f |= y % 10 == 3;
            y /= 10;
        }
        if(f) cout << x << endl;
    }
}