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.

Example

Input

w32nimda


Output

admin23w
old = raw_input()
list = list(old)
list.reverse()
new = ''
for i in range(len(list)):
	new += list[i]
print new
