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 = input()
Str = list(Str)
STR = []
for i in range(len(Str)-1,-1,-1):
    STR.append(Str[i])
print(''.join(STR))
