#include <stdio.h>

int find3(int);

int main(void)
{
	int a, b;
	scanf("%d,%d", &a, &b);
	for (a; a <= b; a++) {
		if (find3(a))
			printf("%d\n", a);
	}
	return 0;
}

int find3(int a)
{
	if (a % 3 == 0)
		return 1;
	while (a > 0) {
		if (a % 10 == 3)
			return 1;
		a /= 10;
	}
}