Program The Working In A Bank in C++

#include
#include
#include
class bank
{
private:
int e;
float amount;
char b,f;
static float d;
public:
void deposite();
void withdrawn();
void menufunc();
};
void bank :: deposite()
{
cout<>amount;
d=d+amount;
cout<>f;
if(f=='y')
{
menufunc();
}
else
{
return;
}
}
void bank :: withdrawn()
{
cout<>e;
d=d-e;
cout<>f;
if(f=='y')
{
menufunc();
}
else
{
return;

}
}
void bank :: menufunc()
{ cout<<"***************************************************"; cout<>b;
if(b=='d')
{
deposite();
}
else if(b=='w')
{
withdrawn();
}
else
{
return;
}
}
float bank :: d;

void main()
{
bank z;
char b,x;
clrscr();
z.menufunc();
getch();
}