object Main {
  def check(xyz : Array[Int]) : Boolean = {
    val Array(x, y, z) = xyz
    if (x == y || y == z || z == x) {
      return false
    }
    return xyz.min == y || xyz.max == y
  }
  def main(args: Array[String]): Unit = {
    val xyz = readLine().split(' ').map(_.toInt)
    val Array(x, y, z) = xyz
    if (x == y || y == z || z == x) {
      println(0)
      return
    }
    if (check(xyz)) {
      println("INF")
      return
    }
    println((1 to 1000).filter(p => check(xyz.map(_ % p))).size)
  }
}