#include<iostream>
#include<string>
int main(){
	std::string a;
	std::cin>>a;
	for(int i=a.size()-1;i>=0;i--){
		std::cout<<a[i];
	}
	std::cout<<std::endl;
	return 0;
}
### Prompt

In cpp, your task is to solve the following problem:

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

### Response

```cpp
#include<iostream>
#include<string>
int main(){
	std::string a;
	std::cin>>a;
	for(int i=a.size()-1;i>=0;i--){
		std::cout<<a[i];
	}
	std::cout<<std::endl;
	return 0;
}
```