#include <bits/stdc++.h>

using namespace std;

int main(int argc, char **argv) {
	int A,B;
	scanf("%d%d",&A,&B);
	for(;A<=B;A++)
	{
		if(A%3 == 0 || A%10 == 3 || A/10 ==3)
			{
			printf("%d\n",A);
			}
	}
		return 0;
}