using System;

public class Program

{

    public static void Main()

    {

        int n, skaitlis, result=0;

        string s;

        Console.WriteLine("Cik bus skaitlu:");

        s=Console.ReadLine();

        n=int.Parse(s);

        for(int i=0;i<n;i++)

        {

            Console.WriteLine("Ievadiet skaitli:");

            s=Console.ReadLine();

            skaitlis=int.Parse(s);

            if(skaitlis>9 && skaitlis<=99)result++;

        }

        Console.WriteLine("Atbilde:"+result.ToString());

    }

}