using System;

public class Program

{

    public static void Main()

    {

        int hour = 0;

        int animalStart = 10;

        int animalsEnd;

        int foodStart = 1000;

        int foodEnd = 0;

        while (foodStart > animalStart) {

            hour = (hour + 1);

            foodEnd = ((foodStart - animalStart) + 4000);

            animalsEnd = (animalStart * 2);

            animalStart = animalsEnd;

            foodStart = foodEnd;

            Console.WriteLine("hour: " + hour + "   food: " + foodEnd + "   animals: " + animalsEnd);

        }

    }

}