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
ans = ""
n = input()
for i in range(len(n)):
    #print(n[len(n)-i-1])
    ans += n[len(n)-i-1]
print(ans)
