#include<iostream>
using namespace std;
int main()
{
	char* point_char=new char[21];
	cout<<"put the Character string"<<endl;
	cin>>point_char;
	int i=0;
	for(;*(point_char+i)!='\0';i++);
	for(;i!=0;i--)
	{
		cout<<*(point_char+i-1);
	}
	delete [] point_char;
	return 0;
}