C ＃ input how many cards are there in each of the four colors.

namespace ConsoleCards
{
    public enum Suit
    {
        Clubs,
        Diamonds,
        Hearts,
        Spades
    }
}

using System;

namespace ConsoleCards
{
    public class Card
    {
        private Rank rank;

        private Suit suit;

        private bool faceUp;

        public Rank Rank => rank;

        public Suit Suit => suit;

        public bool FaceUp => faceUp;

        public Card(Rank rank, Suit suit)
        {
            this.rank = rank;
            this.suit = suit;
            faceUp = false;
        }

        public void FlipOver()
        {
            faceUp = !faceUp;
        }

        public void Print()
        {
            if (faceUp)
            {
                Console.WriteLine(string.Concat(rank, " of ", suit));
            }
            else
            {
                Console.WriteLine("Card is face down");
            }
        }
    }
}

using System;
using System.Collections.Generic;
using ConsoleCards;

namespace ProgrammingAssignment3
{
    /// <summary>
    /// Programming Assignment 3
    /// </summary>
    class Program
    {
        // autograder support
        static int testCaseNumber = 0;
        static int nextCard = 0;
        static Card[] testCaseCards = new Card[9];

        static int numCards = 0;

        /// <summary>
        /// Programming Assignment 3
        /// </summary>
        /// <param name="args">command-line args</param>
        static void Main(string[] args)
        {
            // IMPORTANT: Only add code in the section
            // indicated below. The code I've provided
            // makes your solution work with the 
            // automated grader on Coursera
            string input = Console.ReadLine();
            while (input[0] != 'q')
            {
                testCaseNumber = int.Parse(input);
                numCards = GetNumCards();
                InitializeTestCaseCards();
			    Card [] cards= testCaseCards;
                nextCard = 0;

				// Add your code between this comment
				// and the comment below. You can of
				// course add more space between the
				// comments as needed
				int[] arr = { 0, 0, 0, 0 };
				while(nextCard < numCards)
					arr[(int)GetCard().Suit]++;				
				Console.WriteLine("C"+arr[0]+ " D"+arr[1] + " H"+arr[2]+ " S"+arr[3]);

				// Don't add or modify any code below
				// this comment

				input = Console.ReadLine();
            }            
		}

		/// <summary>
		/// Gets a card
		/// <return>a card</return>
		/// </summary>
		static Card GetCard()
        {
			nextCard++;
			return testCaseCards[nextCard - 1];
		}

		/// <summary>
		/// Gets how many cards will be in the hand for the
		/// current test case number
		/// <return>number of cards to add to hand</return>
		/// </summary>
		static int GetNumCards()
		{
			switch (testCaseNumber)
			{
				case 1:
				case 2:
				case 6:
					return 5;
				case 3:
					return 2;
				case 4:
					return 7;
				case 5:
					return 0;
				case 7:
					return 1;
				case 8:
				case 10:
					return 4;
				case 9:
					return 9;
				default:
					return 0;
			}
		}

		/// <summary>
		/// Initializes the set of cards returned by GetCard based
		/// on the test case number
		/// </summary>
		static void InitializeTestCaseCards()
		{
			switch (testCaseNumber)
			{
				case 1:
					testCaseCards[0] = new Card(Rank.Two, Suit.Clubs);
					testCaseCards[1] = new Card(Rank.Three, Suit.Diamonds);
					testCaseCards[2] = new Card(Rank.Four, Suit.Spades);
					testCaseCards[3] = new Card(Rank.Ten, Suit.Spades);
					testCaseCards[4] = new Card(Rank.Ace, Suit.Spades);
					break;
				case 2:
					testCaseCards[0] = new Card(Rank.Two, Suit.Clubs);
					testCaseCards[1] = new Card(Rank.Three, Suit.Clubs);
					testCaseCards[2] = new Card(Rank.Four, Suit.Clubs);
					testCaseCards[3] = new Card(Rank.Ten, Suit.Clubs);
					testCaseCards[4] = new Card(Rank.Ace, Suit.Clubs);
					break;
				case 3:
					testCaseCards[0] = new Card(Rank.Ten, Suit.Diamonds);
					testCaseCards[1] = new Card(Rank.Ace, Suit.Diamonds);
					break;
				case 4:
					testCaseCards[0] = new Card(Rank.Two, Suit.Hearts);
					testCaseCards[1] = new Card(Rank.Three, Suit.Hearts);
					testCaseCards[2] = new Card(Rank.Four, Suit.Hearts);
					testCaseCards[3] = new Card(Rank.Five, Suit.Hearts);
					testCaseCards[4] = new Card(Rank.Six, Suit.Hearts);
					testCaseCards[5] = new Card(Rank.Seven, Suit.Hearts);
					testCaseCards[6] = new Card(Rank.Eight, Suit.Hearts);
					break;
				case 6:
					testCaseCards[0] = new Card(Rank.Ten, Suit.Clubs);
					testCaseCards[1] = new Card(Rank.Jack, Suit.Clubs);
					testCaseCards[2] = new Card(Rank.Queen, Suit.Clubs);
					testCaseCards[3] = new Card(Rank.King, Suit.Clubs);
					testCaseCards[4] = new Card(Rank.Ace, Suit.Clubs);
					break;
				case 7:
					testCaseCards[0] = new Card(Rank.Queen, Suit.Hearts);
					break;
				case 8:
					testCaseCards[0] = new Card(Rank.Jack, Suit.Clubs);
					testCaseCards[1] = new Card(Rank.Jack, Suit.Diamonds);
					testCaseCards[2] = new Card(Rank.Jack, Suit.Hearts);
					testCaseCards[3] = new Card(Rank.Jack, Suit.Spades);
					break;
				case 9:
					testCaseCards[0] = new Card(Rank.Two, Suit.Spades);
					testCaseCards[1] = new Card(Rank.Three, Suit.Spades);
					testCaseCards[2] = new Card(Rank.Four, Suit.Spades);
					testCaseCards[3] = new Card(Rank.Five, Suit.Spades);
					testCaseCards[4] = new Card(Rank.Six, Suit.Spades);
					testCaseCards[5] = new Card(Rank.Seven, Suit.Spades);
					testCaseCards[6] = new Card(Rank.Eight, Suit.Spades);
					testCaseCards[7] = new Card(Rank.Nine, Suit.Spades);
					testCaseCards[8] = new Card(Rank.Ten, Suit.Spades);
					break;
				case 10:
					testCaseCards[0] = new Card(Rank.Two, Suit.Clubs);
					testCaseCards[1] = new Card(Rank.Three, Suit.Diamonds);
					testCaseCards[2] = new Card(Rank.Four, Suit.Hearts);
					testCaseCards[3] = new Card(Rank.Five, Suit.Spades);
					break;
				default:
					break;
			}
		}
	}
}