using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
class Solution {

    static void Main(String[] args) {
        int n = Convert.ToInt32(Console.ReadLine());
        string[] height_temp = Console.ReadLine().Split(' ');
        int[] height = Array.ConvertAll(height_temp,Int32.Parse);
        
        int max_height = n - 1;
        int blow_out = 0;
        foreach( int each in height){
            if (each == max_height)
                {blow_out++;}
        }
        Console.Write(blow_out);
    }
}