using System;

public class Program

{

       static void Q1()

        {

            Console.Write("please enter a number from three houses:");

            int N1 = int.Parse(Console.ReadLine());

            int D1, D100;

            D100 = N1 / 100;

            D1 = N1 % 10;

            if (D1 == D100)

                Console.WriteLine("CORRECT");

            else

                Console.WriteLine("WRONG");

​

        }

        static void Q2()

        {

            Console.Write("PLEASE ENTER A NUMBER FROM TWO HOUSES:");

            int n1 = int.Parse(Console.ReadLine());

            int D1, D10, TOTAL;

            D1 = n1 % 10;

            D10 = n1 / 10;

            TOTAL = D1 + D10;

            if (TOTAL % 2 == 0)

                Console.WriteLine("TOTAL THE HOUSES IS EVEN");

            else

                Console.WriteLine("TOTAL THE HOUSES IS ODD");

        }

        static void Q3()

        {

            Console.Write("please enter n1:");

            int N1 = int.Parse(Console.ReadLine());

            Console.Write("please enter n2:");

            int N2 = int.Parse(Console.ReadLine());

            int MAX = Math.Max(N1, N2);

            if (N1 == N2)

                Console.WriteLine("THE NUMBERS IS EQUAL");

            else

                Console.WriteLine(MAX);

​

        }

        static void Q4()

        {

            Console.Write("PLEASE ENTER YOUR GRADE:");

            int GRADE = int.Parse(Console.ReadLine());

            if (GRADE < 55)

                Console.WriteLine("FAILED");

            else if (GRADE > 55 && GRADE < 85)

                Console.WriteLine("PASS");

            else

                Console.WriteLine("EXCELLENT");

        }

​

​

        }

​