package main

import (
	"fmt"
	"strconv"
	"strings"
)

func main() {
	var a, b int
	fmt.Scan(&a, &b)
	for num := a; num <= b; num++ {
		print(num)
	}
}

func print(num int) {
	str := strconv.Itoa(num)
	if num%3 == 0 || strings.Contains(str, "3") {
		fmt.Println(num)
	}
}