Students grade system

import java.util.Scanner

fun main(args: Array<String>) {

val scanner  = Scanner(System.`in`)
val score = scanner.nextInt()
println("The input one is : $score")

  if (score >= 90){
    println ("Grade A")
  }else if (score >= 80){
    println ("Grade B")
  }else if (score >= 70){
    println ("Grade C")
  }else if (score >= 60){
   println ("Grade D")
  }else {
   println ("Grade F")
  }

// if (num1 == 3) {
//   println("good")
// }else {
//   println("not good")
// }

// val num2 = scanner.nextInt()
// println("The input two is : $num2")

}