package main

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

var (
	A int
	B int
)

func resolve() string {
	ret := make([]string, 0, 100)
	for i := A; i <= B; i++ {
		tmp := strconv.Itoa(i)
		if i%3 == 0 {
			ret = append(ret, tmp)
			continue
		}
		if strings.Count(tmp, "3") != 0 {
			ret = append(ret, tmp)
			continue
		}
	}
	return strings.Join(ret, "\n")
}

func main() {
	fmt.Scanf("%d %d\n", &A, &B)
	fmt.Println(resolve())
}