How to make Give Change program in c#

                                    How to make Give Change program in c#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace bills
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.Write("Price?");
            int prince = Convert.ToInt32(Console.ReadLine());
            Console.Write("Paid?");
            int paid = Convert.ToInt32(Console.ReadLine());
            int remainder = paid - prince;
            Console.Write("Your change is " + remainder+":");
            int i,a,b,c,d,f,g,h;
            //If the remainder is greater then and equal to 100 then this block is executed.
            while(remainder>=100) 
            {
                // we are using the a variable for counting the number of 100 note.
                a = remainder/100; 
                remainder = remainder%100;

                // we are using FOR loop for printing the "100" a times. a is the variable.
                for (i = 1; i <= a;i++ )
                Console.Write("100"+" ");
            }

            while (remainder >= 50)
            {
                b = remainder / 50;
                remainder = remainder % 50;

                for (i = 1; i <= b; i++)
                Console.Write("50" + " ");
            }
         
            
            while (remainder >= 20)
            {
                c = remainder / 20;
                remainder = remainder % 20;

                for (i = 1; i <= c; i++)
                Console.Write("20" + " ");
            }
         
            
            while (remainder >= 10)
            {
                d = remainder / 10;
                remainder = remainder % 10;

                for (i = 1; i <= d; i++)
                Console.Write("10"+" ");
            }

            while (remainder >= 5)
            {
                f = remainder / 5;
                remainder = remainder % 5;

                for (i = 1; i <= f; i++)
                Console.Write("5"+" ");
            }

            while (remainder >= 2)
            {
                g = remainder / 2;
                remainder = remainder % 2;

                for (i = 1; i <= g; i++)
                Console.Write("2"+" ");
         
           }

            while (remainder >= 1)
            {
                h = remainder / 1;
                remainder = remainder % 1;

                for (i = 1; i <= h; i++)
                Console.Write("1"+" ");
            }
                Console.ReadLine();
       }
    }
}