#include <iostream>
#include <vector>

#define REP(i, a, b) for (int i = (a); i < (b); i++)
#define dump(s) cerr << __LINE__ << "\t:" << #s << " = " << (s) << endl
    
using namespace std;

int main () {
    int A, B;
    cin >> A >> B;
    auto chk = [](int num) -> bool {
	do {
	    if (num % 10 == 3) return true;
	    num /= 10;
	} while (num > 0);
	return false;
    };
    REP (n, A, B + 1) {
	if (chk(n) || n % 3 == 0) {
	    cout << n << endl;
	}
    }
    return 0;
}