#include <iostream>
using namespace std;

int main() {
	unsigned int a, b, c, d;
	cin >> a >> b;
	for (int i=a; i<=b;i++){
		d = 0;
		if (i%3==0) c=1;
		for(d=i; d; d/=10) if(d%10==3) c=1;
		if (c==1) cout << i << endl;
	}
	return 0;
}