Write a program in given a string change every word of the first letter in the capital letters?

class Program

    {

        static void Main(string[] args)

        {

            Console.WriteLine("Enter the string");

            string str1 = Console.ReadLine();

            int s = 0;

            foreach (char num in str1)

            {

                if (num != ' ')

                {

                    if (num > 96 && num < 124)

                    {

                        if (s == 0)

                        {

                            Console.Write(Convert.ToChar(num - 32));

                            s++;

                        }

                        else

                        {

                            Console.Write(num);

                        }

                    }

                }

                else

                {

                    Console.Write(" ");

                    s--;

                }

            }

            Console.ReadLine();

        }

    }

Output: