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
n=list(input())
k=len(n)

for i in range(int(k/2)):
    n[i],n[k-i-1]=n[k-i-1],n[i]


for i in range(k):
    print(n[i], end="")
    
print("")
