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: WA: Presentation Error)

line = gets
ans = "a" * line.length
index = line.length - 1
line.each_char do |char|
   ans[index] = char
   index += -1
end
print ans