using System;
using System.Linq;

namespace Maximum_Sequence
{
    class Program
    {
        static void Main(string[] args)
        {

            int[] array = Console.ReadLine().Split(' ').Select(x => int.Parse(x)).ToArray();

            int maxCount = 0;
            int currCount = 0;

            for (int i = 0; i < array.Length; i++)
            {
                currCount = 1;
                for (int j = i + 1; j < array.Length - 1; j++)
                {
                    if (array[i] == array[j])
                    {
                        currCount++;
                    }
                    else
                    {
                        break;
                    }
                }
                if (currCount > maxCount)
                {
                    maxCount = currCount;
                }
            }

            Console.WriteLine(maxCount);
        }
    }
}