object Main {
  def main(args: Array[String]): Unit = {
    val sc = new java.util.Scanner(System.in)

    try {
      val a = sc.nextInt
      val b = sc.nextInt
      val c = sc.nextInt

      def sub(x:Int):Int = {
        if(c % x == 0) 1 else 0
      } 
      val ab = List(a,b)
      println(ab.map(sub).sum)
    } catch {
      case e: NoSuchElementException =>
        println("error: stdin is not found. Please take numbers.")
    }
  }
}
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