#include <iostream>
#include <string>
 
using namespace std;
 
class Message {
 
public: 
   void changeSubject(string);
   string getSubject();
 
private:
   string subject;
};
 
void Message::changeSubject (string subjecto) //change subject
{                             
subject = subjecto;
}
 
string Message::getSubject ()    //return subject
{                                             
return subject;
}
 
int main () 
{
	Message person;
    string aboutwhat;
    cout << "Enter subject" << endl;
    getline(cin, aboutwhat);
    person.changeSubject(aboutwhat);
 
    cout << person.getSubject();
 
return 0;
 
}

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SGVsbG8=

Hello