using System;

public class Program

{

    public static void Main()

    {

        //Marifer López

        int num;

        int total = 0;

        int total2 = 0;

        Console.WriteLine("Write as many numbers as you want, but when you write a zero I'll tell you how many numbers were even and how many were odd");

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

        while (num != 0)

        {

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

        if (num%2 == 0)

        {

        total += 1;

        }

        else

        {

        total2 += 1;

        }

        }

        Console.WriteLine("Even numbers: " + total);

        Console.WriteLine("Odd numbers: " + total2);

    }

}