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)

str = gets.chomp
length = str.length
count = 0

(length/2).to_i.times{
    hozi = str[count]
    str[count] = str[length -1 - count]
    str[length -1- count] = hozi
    count += 1
}

puts str