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;
 int i,l;
 cin>>s;
 l=s.size();
 for (i=l-1;i>=0;i--)
  cout<<s[i];
 cout<<endl;
return 0;
}