c++ program for convert dollar to rupees

/*program for convert dollar to rupees*/
#include<iostream.h>
#include<conio.h>
class dollar
{
int d;
public:
void getdollar()
{
cout<<"input dollar:";
cin>>d;
}
int cal()
{
return d*65;
}
};
class rupees
{
int r;
public:
rupees(){}
rupees(dollar d1)
{
r=d1.cal();
}
void put()
{
cout<<"rupees="<<r;
}
};
int main()
{
clrscr();
dollar d;
rupees r;
d.getdollar();
r=d;
r.put();
getch();
return 0;
}