c++ program for distructer3

#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;
{
data d3;
{
data d4;
{
data d5;
}
}
}
data d2;
return(0);
}