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

namespace _04.ArrayCoincedence
{
    class ArrayCoincedence
    {

        static void Array_Coincedence(int[] array)
        {
            int count = 0;
            int coincedence = 0;

            for (int index = 0; index < array.Length; index++)
            {
                try
                {
                    if (array[index] == array[index + 1])
                    {
                        coincedence = array[index];

                        break;
                    }
                }
                catch (Exception)
                {
                }

            }

            foreach (var numbers in array)
            {
                if (numbers == coincedence)
                {
                    count++;
                }
            }

            Console.WriteLine(count);

        }

        static void Main(string[] args)
        {

            int[] n = Console.ReadLine().Split(' ').Select(int.Parse).ToArray();

            Array_Coincedence(n);

        }
    }
}