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
import sys
line = sys.stdin.readline()
inp = line[0:-1]
str_list = list(inp)
str_list.reverse()
ret = "".join(str_list)
print (ret)