using System;
using System.Collections.Generic;
using System.Linq;

namespace _06.Batteries
{
    class Batteries
    {
        static void Main()
        {
            var capacities = Console.ReadLine()
                .Split(' ')
                .Select(double.Parse)
                .ToList();

            var usegePerHower = Console.ReadLine()
                .Split(' ')
                .Select(double.Parse)
                .ToList();

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

            var multiplyPower = 0.0;
            var diff = 0.0;
            var procent = 0.0;

            for (int i = 0; i < usegePerHower.Count; i++)
            {

                multiplyPower = capacities[i] - (howerStresTest * usegePerHower[i]);

                if (multiplyPower < 0)
                {
                    diff = Math.Ceiling(capacities[i] / usegePerHower[i]);
                    Console.WriteLine("Battery {0}: dead (lasted {1} hours)", i + 1, diff);
                }
                else
                {
                    procent = multiplyPower * 100 / capacities[i];
                    Console.WriteLine("Battery {0}: {1:f2} mAh ({2:f2})%", i + 1, multiplyPower, procent);
                }
            }

        }
    }
}