Problem:
Reverse Sequence

Write a program which reverses a given string str.

Input

str (the size of str ≤ 20) is given in a line.

Output

Print the reversed str in a line.

Sample Input

w32nimda

Output for the Sample Input

admin23w

Solution in Ruby (judge verdict: Accepted)

arr = gets.chomp.split("")
rev = Array.new
arr.length.times do |i|
  rev.push(arr[-1 * (i+1)])
end
puts rev.join