using System;

public class Program

{

    public static void Main()

    {

        //David de la Fuente Adame

        int num;

        int even = 0;

        int odd = 0;

            Console.WriteLine(" write as many numbers as you want but once you type a zero I will tell you how mny were even and how many were odd."); 

            num = int.Parse(Console.ReadLine());

        while (num != 0)

        {

            if (num %2 == 0)

        {

            even++;

        }

        else if (num %2 !=0)

        {

            odd++;

        }   

            Console.WriteLine("Please write a number"); 

            num = int.Parse(Console.ReadLine());

        }

        Console.WriteLine("even numbers: "+ even);

        Console.WriteLine("odd numbers: "+ odd);

    }

}