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
a=[ i for i in input()]
for i in reversed(range(1,len(a))):
    print(a[i],end="")
print(a[0])