CountSingleUpperCase

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

namespace CountUppercaseLetters
{
    class Program
    {
        static void Main(string[] args)
        {
            string N = Console.ReadLine();
            string[] MyArray = N.Split(' ').ToArray();
            int count = 0;
            //        for (int i = 0; i < MyArray.Length - 1; i++)
            //        {
            //            //  MyArray[i].Where(c => c >= 'A' && c <= 'Z').Count();
            //        }

            //     count = N.Count(char.IsUpper);

            char[] capitalLetters = new char[MyArray.Length];

            for (int i = 0; i < MyArray.Length; i++)
            {
                if (MyArray[i].Length == 1)
                {
                    capitalLetters[i] = char.Parse(MyArray[i]);
                }
            }

            foreach (var letter in capitalLetters)
            {
                if (letter != 0)
                {
                    count++;
                }
            }

            Console.WriteLine(count);

        }
    }
}