Problem:
Score : 100 points

Problem Statement

You are given a string S of length 2 or 3 consisting of lowercase English letters. If the length of the string is 2, print it as is; if the length is 3, print the string after reversing it.

Constraints

The length of S is 2 or 3.

S consists of lowercase English letters.

Input

Input is given from Standard Input in the following format:

S

Output

If the length of S is 2, print S as is; if the length is 3, print S after reversing it.

Sample Input 1

abc

Sample Output 1

cba

As the length of S is 3, we print it after reversing it.

Sample Input 2

ac

Sample Output 2

ac

As the length of S is 2, we print it as is.

Solution in Kotlin (1.0.0) (judge verdict: Accepted)


import java.util.Stack
import java.util.LinkedList

fun main(args : Array<String>) {
    val s = readLine()!!
    val stack = Stack<Int>()
    val a = LinkedList<Int>()

    a.push(1)
    stack.push(1)


    if (s.length == 2) {
        println(s)
    } else {
        println(s.reversed())
    }
}