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(){
string s,ans="";
int sl;
cin>>s;
sl=s.size();
for(int i=sl-1;i>-1;i--)ans+=s[i];
cout<<ans<<endl;}