using System;

public class Program

{

    public static void Main()

    {

        //Luisa Weissbach

        int num, b, a; 

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

        b= 0; 

        a= 0; 

        num = 1;

        while (num != 0)

        {

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

            if (num % 2 ==0 && num!= 0)

            {

                b++; 

            }

            else if (num % 2 != 0 && num != 0)

            {

                a++; 

            }

        }

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

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

    }

}