C ++ program for bank account management

#include<iostream.h>
#include<conio.h>
 class account
{
char c_name[20];
int acc_no;
char acc_type;
public:
float balance;
void get_balance(int a)
{
   balance=a;
   penalty();
}
void put_balance()
{
cout<<"\nyour current balance is: "<<balance;
}
void debit()
{
int deb;
cout<<"\nenter ammount to be withdrawl: ";
cin>>deb;
balance=balance-deb;
put_balance();
penalty();
}

void credit()
 {
 int cre;
   cout<<"\nenter ammount to be credited: ";
  cin>>cre;
   balance=balance+cre;
   put_balance();
 }
/*void intrest()
{
 int intr;
 intr=balnce
 balance=balance+intr;
 cout<<"\ntotal intrest added:"<<intr;
 put_balance();
} */
void penalty()
{
 float pen=0;
 float f=0.05;
 if(balance<500)
 {
 cout<<"\nyour balance is less then 500";
 pen=balance*f;
 balance=balance-pen;

 cout<<"\nyour penalty amount is: "<<pen;
 put_balance();
 }
 else
 cout<<"\nno penalty";
}
};
void main()
{
clrscr();
account acc;
acc.get_balance(5000);
acc.put_balance();
acc.credit();
acc.debit();
getch();
}

output