using System;

public class Program

{

    public static void Main()

    {

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

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

        double elen1 = double.Parse(Console.ReadLine());

        double elen2 = double.Parse(Console.ReadLine());

        double elen3 = double.Parse(Console.ReadLine());

        double obshto = (day * (elen1 + elen2 + elen3));

        if(obshto > hrana){

            Console.WriteLine("{0} kilos of food are needed",Math.Ceiling(obshto - hrana));

        }

        if(obshto < hrana){

            Console.WriteLine("{0} kilos of food are left",Math.Floor(hrana - obshto));

        }

    }

}