using System;

​

public class Letters

{ 

    private string str;

    public string get() 

    {

        return str; 

    } 

    public void set(string str1) 

    { 

        str=str1; 

    } 

} 

​

public class Program 

{ 

    public static void Main() 

    { 

        Letters obj = new Letters(); 

        Console.WriteLine("Enter string: ");

        obj.set(Console.ReadLine()); 

        string str = obj.get(); 

        string upConsonants = "BCDFGHJKLMNPQRSTVWXYZ"; 

        string lowConsonants = "bcdfghjklmnpqrstvwxyz"; 

        int lowCons = 0, upCons = 0, lowVow = 0, upVow = 0;

        foreach(char chr in str) 

        { 

            if(chr=='a' || chr=='e' || chr=='i' || chr=='o' || chr=='u') 

                lowVow += 1; 

            if(chr=='A' || chr=='E' || chr=='I' || chr=='O' || chr=='U') 

                upVow += 1; 

            if(upConsonants.Contains(chr.ToString())) 

                upCons += 1; 

            if(lowConsonants.Contains(chr.ToString())) 

                lowCons += 1; 

        } 

        Console.WriteLine("Uppercase Consonants = "+ upCons +"."); 

        Console.WriteLine("Lowercase Consonants = "+ lowCons +"."); 

        Console.WriteLine("Uppercase Vowels = "+ upVow +"."); 

        Console.WriteLine("Lowercase Vowels = "+ lowVow +"."); 

        Console.WriteLine("Number of Vowels = "+(upVow + lowVow)+"."); 

    } 

}

​