#include <iostream>
using namespace std;


class MyName{

public:
string name2;

MyName ( ){
     name2 = "default cons..";
    cout<<"I am default cons.."<<endl;
}


MyName (string name ){
    name2=name;
    cout<<"My name is "<<name<<endl;
}


~ MyName (){
    cout<<"destruct the constructor "<<name2<<endl;
}

};


int main() {
   cout << "Hello world!" <<endl;
    
    MyName s1;
    MyName s2("vikas");
    
    return 0;
}