fun sumOfTwo(array: List<Int>, sum: Int) {
  var left = 0
  var right = array.count() - 1
 
  while (left < right && array[left] + array[right] != sum) {
    if (array[left] + array[right] < sum) {
      left += 1
    } else {
      right -= 1
    }
  }
 
  if (left < right) {
    println("${array[left]} + ${array[right]} = $sum")
  } else {
    println("Nie znaleziono pary dajacej pozadana sume")
  }
}
 
fun main() {
  val array = listOf(1, 2, 4, 6, 8, 9, 10, 12, 13, 15)
  val sum = 18
 
  sumOfTwo(array, sum)
}

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