c++ program for distructer2

#include<iostream.h>
#include<conio.h>
int c=0;
class data
{
public:
data()
{
c++;
cout<<"\n"<<c<<"constructer";
}
~data()
{
cout<<"\n"<<c<<" distructer";
c--;
}
};
int main()
{
clrscr();
data d1,d2,d3,d4;
getch();
return(0);
}