package main

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

func main() {
	var A, B int
	fmt.Scanf("%d %d", &A, &B)

	for i := A; i <= B; i++ {
		if i%3 == 0 {
			fmt.Println(i)
		}else {
			k := i
			for k > 0 {
				if k%10 == 3 {
					fmt.Println(i)
					break
				}
				k/=10
			}
		}

	}

}



func mapToString(arr []int) []string {
	ret := make([]string, len(arr))
	for i := 0; i < len(arr); i++ {
		ret[i] = strconv.Itoa(arr[i])
	}
	return ret
}

func PrintI(args ...int) {
	fmt.Println(strings.Join(mapToString(args), " "))
}