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
chars = list(input())
outLen = ""
for i in range(1, len(chars) + 1):
    outLen = outLen + chars[i * -1]
print(outLen)
