kotki

using System;

public class Program
{
    public static void Main()
    {
        int days = int.Parse(Console.ReadLine());
        int kilos = int.Parse(Console.ReadLine());
        double dailyF1 = double.Parse(Console.ReadLine());
        double dailyF2 = double.Parse(Console.ReadLine());
        double cat1 = dailyF1 * days;
        double cat2 = dailyF2 * days;
        double allfood = cat1 + cat2;
        if(allfood <= kilos)

        {

            Console.WriteLine("The cats are well fed.");
            Console.WriteLine("{0} kilos of food left.", Math.Ceiling(kilos - allfood));

        }

        else

        {

            Console.WriteLine("The cats are hungry.");
            Console.WriteLine("{0} more kilos of food are needed.", Math.Floor(allfood - kilos));

        }
    }
}