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
S = input()
s_len = len(S)

for i in range(s_len) :
    print(S[s_len - i - 1], end="")
print("")
