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
str = raw_input()
strlist = []
for x in str:
	strlist.append(x)
strlist.reverse()
revstr = ''
for x in strlist:
	revstr += x
print revstr