using System;

​

public class Program {

    public static void Main() {

        string str;

        int i, len, vowel, smallcons, bigcons, smallvowel, bigvowel;

        Console.Write("Enter string: ");

        str = Console.ReadLine();

​

        vowel = 0;

        smallcons = 0;

        bigcons = 0;

        smallvowel = 0;

        bigvowel = 0;

        len = str.Length;

        for (i = 0; i < len; i++)

        {

            if (str[i] == 'a' || str[i] == 'e' || str[i] == 'i' || str[i] == 'o' || str[i] == 'u' || str[i] == 'A' || str[i] == 'E' || str[i] == 'I' || str[i] == 'O' || str[i] == 'U')

            {

                vowel++;

            } 

            else if (str[i] >= 'a' && str[i] <= 'z') 

            {

                smallcons++;

            }

            else if (str[i] >= 'A' && str[i] <= 'Z')

            {

                bigcons++;

            }

            if (str[i] == 'a' || str[i] == 'e' || str[i] == 'i' || str[i] == 'o' || str[i] == 'u')

            {

                smallvowel++;

            }

            if (str[i] == 'A' || str[i] == 'E' || str[i] == 'I' || str[i] == 'O' || str[i] == 'U')

            {

                bigvowel++;

            }

        }

        Console.Write("\nUppercase Consonants: {0}", bigcons);

        Console.Write("\nLowercase Consonants: {0}", smallcons);

        Console.Write("\nUppercase Vowels: {0}", bigvowel);

        Console.Write("\nLowercase Vowels: {0}", smallvowel);

        Console.Write("\nNumber of vowels: {0}", vowel);

    }

}