HW-Part1-WhileSentinel-09-10

using System;

namespace Practice
{
    class App
    {
        static void Main()
        {
        }
        static void ExerciseSeven()
        {
            int num, result = 1;
            num = int.Parse(Console.ReadLine());
            while (num != -1)
            {
                if (num % 2 == 0 || num % 3 == 0)
                {
                    result *= num;
                }
                num = int.Parse(Console.ReadLine());
            }
            Console.WriteLine(result);
        }
        static void ExerciseNine()
        {
            int num, max, min;
            num = int.Parse(Console.ReadLine());
            max = min = num;
            while (num > 0)
            {
                if (num > 94)
                    Console.WriteLine("Exceeded");
                else if (num < 55)
                    Console.WriteLine("Failed");
                if (num > max)
                    max = num;
                if (num < min)
                    min = num;
                num = int.Parse(Console.ReadLine());
            }
            Console.WriteLine("Highest grade: {0}\nLowest grade: {1}", max, min);
        }
        static void ExerciseTwelve()
        {
            int voters = 0, votedYay = 0, votedNay = 0, votedAvoided = 0;
            char answer = char.Parse(Console.ReadLine());
            while (answer != 'f')
            {
                voters++;
                if (answer == 'y')
                    votedYay++;
                else if (answer == 'n')
                    votedNay++;
                else if (answer == 'd')
                    votedAvoided++;
                answer = char.Parse(Console.ReadLine());
            }
            Console.WriteLine("Total voters: {0}\nVoted for: {1}\nVoted against: {2}\nAvoided voting: {3}", voters, votedYay, votedNay, votedAvoided);
            if ((double)votedYay / voters >= 0.6)
                Console.WriteLine("\nResult: Reform accepted");
            else
                Console.WriteLine("\nResult: Reform denied");
        }
        static void ExerciseSix()
        {
            int maxNum = 0;
            int num = int.Parse(Console.ReadLine());
            while (num != 9)
            {
                if (num % 10 != num / 10)
                    if (num > maxNum)
                        maxNum = num;
                num = int.Parse(Console.ReadLine());
            }
            Console.WriteLine(maxNum);
        }
    }
}