using System;

public class Program

{

    //assumption in every question: the input is correct

    public static void Main()

    {

        //ex1

        /*

        int i=1, maxDay=0;

        double income, max=0;

        while (i<=6)

        {

            Console.WriteLine("enter income at day " + i);

            income = double.Parse(Console.ReadLine());

            if (income>max)

            {

                max=income;

                maxDay=i;

            }

            i++;

        }

        if (max!=0)

        {

           Console.WriteLine("the maximum income is:" + max);

           if (maxDay<=3)

              Console.WriteLine("in the first half of the week the store had the highest income (on day "+maxDay+")");

           else

              Console.WriteLine("in the second half of the week the store had the highest income (on day "+maxDay+")");

        }

        else

            Console.WriteLine("there was no income");

        //ex2

        int num, digit;

        bool flag=false;

        Console.WriteLine("enter a number");

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

        Console.WriteLine("enter a digit for searching");

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

​

        while (num>0)

        {

            if (num%10==digit)

                flag=true;

            num=num/10;

        }

​

        if (flag)

            Console.WriteLine("yes");

        else

            Console.WriteLine("no");

        //ex3 - 2 ways of solution

        int num,findMax,i;

        Console.WriteLine("enter a number");

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

        findMax=num;

        i=2;

        while (i<=8)

        {

            Console.WriteLine("enter a number");

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

            findMax = Math.Max(findMax,num);

        //  if (num>findMax)

            //  findMax=num;

            i++;

        }

        Console.WriteLine("the maximum number is: " + findMax);

        */

        //ex4 - assumption there is at least 2 numbers

        int num,max,findSecondMax,i,temp;

        Console.WriteLine("enter a number");

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

        Console.WriteLine("enter a number");

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

        if (max<findSecondMax)

        {

            temp=max;

            max=findSecondMax;

            findSecondMax=temp;

        }

        i=3;

        while (i<=8)

        {

            Console.WriteLine("enter a number");

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

            if (num>max)

            {

                findSecondMax=max;

                max=num;

            }

            else if (num>findSecondMax)

            {

                findSecondMax=num;

            }

            i++;

        }

        Console.WriteLine("the second maximum number is: " + findSecondMax);

    }

}