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
line = raw_input()
lis = ['' for i in range(len(line))]
for i in range(len(line)-1, -1, -1):
    lis[len(line)-1-i] = line[i]
else:
    print ''.join(lis)