#include <iostream.h>
#include <conio.h>
int main()
{
char your_name[30];
cout << "enter your name: ";;
cin>>your_name;
cout << "Hello " <<your_name<<" !"<< endl;
your_name[1]='@';
your_name[2]='@';
cout << "Hello again " <<your_name<<" !"<< endl;
getch();
return 0;
}