Enter amount & display no. of Rs.500,100,50,20,10,5,1 notes.

//Program to enter an amount and display no. of Rs.500,100,50,20,10,5,1 notes.
#include<iostream.h>
#include<conio.h>
void main()
{
    clrscr();
    int long a;
    cout<<"Enter amount: ";
    cin>>a;
    cout<<"No. of Rs. 500 notes: "<<a/500<<endl;
    a=a%500;
    cout<<"No. of Rs. 100 notes: "<<a/100<<endl;
    a=a%100;
    cout<<"No. of Rs. 50 notes: "<<a/50<<endl;
    a=a%50;
    cout<<"No. of Rs. 20 notes: "<<a/20<<endl;
    a=a%20;
    cout<<"No. of Rs. 10 notes: "<<a/10<<endl;
    a=a%10;
    cout<<"No. of Rs. 5 notes: "<<a/5<<endl;
    a=a%5;
    cout<<"No. of Re. 1 notes: "<<a/1;
    getch();
}