package main

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

func main() {
	var A, B int
	fmt.Scan(&A, &B)
	for i := A; i <= B; i++ {
		s := strconv.Itoa(i)
		if i%3 == 0 || strings.Contains(s, "3") {
			fmt.Println(i)
		}
	}
}