object QQ {
  def main(args: Array[String]): Unit = {
    var a = 0
    var b = 0
    var qq = 0
    for(a <- 1 to 9){
      for(b <- 1 to 9){
        qq = a * b
        println(s"${a}x${b}=${qq}")
      }
    }
  }
}