Minimal And Maximal From Integer Sequence

/*
 * Write a program that reads from the console a sequence of N integer numbers and returns the minimal and maximal of them.
*/

using System;
using System.Diagnostics;

class MinimalAndMaximalFromIntegerSequence
{
    static void Main()
    {
        while (true)
        {
            Stopwatch stopWatch = new Stopwatch();

            int sequenceCount;
            int maximalNumber = int.MinValue;
            int minimalNumber = int.MaxValue;

            Console.WriteLine("How many elements you want to include in the sequence?");
            while (!(int.TryParse(Console.ReadLine(), out sequenceCount) && sequenceCount >= 2))
            {
                Console.WriteLine("You have to include at least 2 elements!" + Environment.NewLine);
                Main();
            }

            int[] number = new int[sequenceCount];
            for (int i = 0; i < sequenceCount; i++)
            {
                number[i] = InputData(i);
            }

            for (int j = 0; j < sequenceCount; j++)
            {
                stopWatch.Start();
                if (number[j] > maximalNumber)
                {
                    maximalNumber = number[j];
                }
                if (number[j] < minimalNumber)
                {
                    minimalNumber = number[j];
                }
            }
            Console.WriteLine("The minimal number is {0} and the maximal number is {1}" + Environment.NewLine, minimalNumber, maximalNumber);
            stopWatch.Stop();
            TimeSpan ts = stopWatch.Elapsed;
            string elapsedTime = String.Format("{0:00}:{1:00}:{2:00}.{3:00}", ts.Hours, ts.Minutes, ts.Seconds, ts.Milliseconds / 10);
            Console.WriteLine("runtime: " + elapsedTime + Environment.NewLine);
        }
    }

    static int InputData(int i)
    {
        int number;
        string invalidInput = "Please enter a value between " + int.MinValue + " and " + int.MaxValue + Environment.NewLine;
        Console.WriteLine("Enter a value for number{0}: ",i+1);
        while (!(int.TryParse(Console.ReadLine(), out number)))
        {
            Console.WriteLine(invalidInput);
            Console.WriteLine("Enter a value for number{0}: ",i+1);
        }
        return number;
    }
}