using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication31
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] p = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
            int e;
            Console.WriteLine("Please enter numbers between -9 to 9. Enter -1 to get to the end of the program.");
            e = int.Parse(Console.ReadLine());
            while (e < -9 || e > 9)
            {
                Console.WriteLine("Please re-enter the number, make sure it's between -9 to 9.");
                e = int.Parse(Console.ReadLine());
            }
            while (e != -1)
            {
                if (e == 9)
                {
                    p[17]++;
                }
                if (e == 8)
                {
                    p[16]++;
                }
                if (e == 7)
                {
                    p[15]++;
                }
                if (e == 6)
                {
                    p[14]++;
                }
                if (e == 5)
                {
                    p[13]++;
                }
                if (e == 4)
                {
                    p[12]++;
                }
                if (e == 3)
                {
                    p[11]++;
                }
                if (e == 2)
                {
                    p[10]++;
                }
                if (e == 1)
                {
                    p[9]++;
                }
                if (e == 0)
                {
                    p[8]++;
                }
                if (e == -2)
                {
                    p[7]++;
                }
                if (e == -3)
                {
                    p[6]++;
                }
                if (e == -4)
                {
                    p[5]++;
                }
                if (e == -5)
                {
                    p[4]++;
                }
                if (e == -6)
                {
                    p[3]++;
                }
                if (e == -7)
                {
                    p[2]++;
                }
                if (e == -8)
                {
                    p[1]++;
                }
                if (e == -9)
                {
                    p[0]++;
                }
                e = int.Parse(Console.ReadLine());
                while (e < -9 || e > 9)
                {
                    Console.WriteLine("Please re-enter the number, make sure it's between -9 to 9.");
                    e = int.Parse(Console.ReadLine());
                }
            }
            int maxValue = p.Max();
            int maxIndex = Array.IndexOf(p, maxValue);
            Console.WriteLine("The largest row of the same number entered one after the other lasted {0} numbers. The number was {1}.", maxValue, maxIndex - 8);
        }
    }
}