//
// program to check whether line of text is a palindrome
//

def palindrome(s : String) : Boolean = {
  val sLetters = s.toLowerCase.filter(c => c.isLetter)
  (sLetters == sLetters.reverse)
}


println("enter a line of text")
val input = readLine

if (palindrome(input)) 
  println("is a palindrome")
else
  println("is not a palindrome")