import java.util.Scanner

object Problem207 {

  def nantoka(i: Int): Boolean = i % 3 == 0 || i.toString.contains('3')

  def main(args: Array[String]) {
    val sc = new Scanner(System.in)
    val A = sc.nextInt()
    val B = sc.nextInt()

    for (i <- A to B) {
      if (nantoka(i)) {
        println(i)
      }
    }
  }
}