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
input_line1 = input()

length = len(input_line1)
result = ''

for i in range(length):
    result += input_line1[(i * -1)-1]
    
print(result)    