#include <stdio.h>

int evaluation(int target);

int main(void)
{
	int i, a, b;
	scanf("%d %d", &a, &b);

	for (i = a; i <= b; i++) {
		if (evaluation(i) == 1) printf("%d\n", i);
	}

	return 0;
}

int evaluation(int target)
{
	int i = target;

	if (i%10 == 3) return 1;
	while (i/10 > 0) {
		i = i/10;
		if (i%10 == 3) return 1;
	}

	if (target%3 == 0) return 1;

	return 0;
}