using System;

public class Program

{

    public static void Main()

    {   //Question 1 

        int x = 0;

        Console.WriteLine("Please enter a number for integer x: ");

        x = Convert.ToInt32(Console.ReadLine());

        int y = 0;

        Console.WriteLine("Please enter a number for integer y: ");

        y = Convert.ToInt32(Console.ReadLine());

        if (x == y)

            Console.WriteLine("Your number is equal");

        else if (x != y) 

            Console.WriteLine("Your number is not equal");

        //Question 2

        int z = 0;

        Console.WriteLine("please enter a number for inter z: ");

        z = Convert.ToInt32(Console.ReadLine());

        if (z > 0)

            Console.WriteLine("Your number is positive number");

        else if (z < 0)

            Console.WriteLine("Your number is negative number");

        else if (z == 0)

            Console.WriteLine("Your number is equal to zero");

        //Question 3

        int t = 0;

        Console.WriteLine("please enter a number for inter t: ");

        t = Convert.ToInt32(Console.ReadLine());

        int w = 0;

        Console.WriteLine("please enter a number for inter w: ");

        w = Convert.ToInt32(Console.ReadLine());

        int e = t + w;

        if (e > 20)

            Console.WriteLine("Your number is greater than 20");

        else if (e < 20)

            Console.WriteLine("Your number is less than 20");

        else if (e == 20)

            Console.WriteLine("Your number is equal to 20");

        //Question 4 

        Console.WriteLine("Enter the first string: ");

        string str1 = Console.ReadLine().ToLower();

        Console.WriteLine("Enter the second string: ");

        string str2 = Console.ReadLine().ToLower();

        if (str1 == str2)

            Console.WriteLine("The two strings are equal");

        else if (str1 != str2)

            Console.WriteLine("The two strings are not equal");

    }

}