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
#include<iostream>
#include<string>
using namespace std;
int main(){
int i,l;
string ss;
cin>>ss;
l=ss.length();
for(i=0;i<l;i++)cout<<ss[l-i-1];
cout<<endl;
return 0;
}