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
string = input()
size = len(string)
st = []
for i in range(size):
    st.append(string[size-i-1])
print(''.join(st))

