#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <stdbool.h>
#include <inttypes.h>

#define REPEAT 100

bool isIncludeThree(uint64_t num)
{
	while (num > 0) {
		uint64_t temp = num % 10;
		if (temp == 3) { return true; }
		num /= 10;
	}
	return false;
}

int main(void)
{
	uint64_t numOfStart, numOfEnd;

	fscanf(stdin, "%"SCNu64 " " "%"SCNu64, &numOfStart, &numOfEnd);
	if ((numOfEnd - numOfStart) > REPEAT) { exit(1); }
	for (uint64_t i = numOfStart; i < numOfEnd; i++) {
		if (isIncludeThree(i) || i % 3 == 0) { fprintf(stdout, "%"PRIu64 "\n", i); }
	}
}