SoftUniWaterSupplies

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _02.SoftUniWaterSupplies
{
    class Program
    {
        static void Main()
        {
            decimal water = decimal.Parse(Console.ReadLine());
            decimal[] bottles = Console.ReadLine().Split().Select(decimal.Parse).ToArray();
            decimal capacity = decimal.Parse(Console.ReadLine());
            decimal neededWater = 0;
            long index = -1;

            if (water % 2 == 0)
            {
                for (long i = 0; i < bottles.Length; i++)
                {
                    neededWater = capacity - bottles[i];
                    if (water >= neededWater)
                    {
                        bottles[i] += neededWater;
                        water -= neededWater;
                    }
                    else
                    {
                        index = i;
                        bottles[i] += water;
                        break;
                    }
                }
                if (index == -1)
                {
                    Console.WriteLine("Enough water!");
                    Console.WriteLine("Water left: {0}l.", water);
                }
                else
                {
                    long bottlesCount = bottles.Where(bottle => bottle < capacity).Count();
                    List<long> indexex = new List<long>();
                    decimal waterShortage = 0;
                    for (long i = index; i < bottles.Length; i++)
                    {
                        indexex.Add(i);
                        waterShortage += capacity - bottles[i];
                    }
                    Console.WriteLine("We need more water!");
                    Console.WriteLine("Bottles left: {0}", bottlesCount);
                    Console.WriteLine("With indexes: {0}", string.Join(", ", indexex));
                    Console.WriteLine("We need {0} more liters!", waterShortage);

                }
            }
            else
            {
                for (long i = bottles.Length - 1; i >= 0; i--)
                {
                    neededWater = capacity - bottles[i];
                    if (water >= neededWater)
                    {
                        bottles[i] += neededWater;
                        water -= neededWater;
                    }
                    else
                    {
                        index = i;
                        bottles[i] += water;
                        break;
                    }
                }
                if (index == -1)
                {
                    Console.WriteLine("Enough water!");
                    Console.WriteLine("Water left: {0}l.", water);
                }
                else
                {
                    long bottlesCount = bottles.Where(bottle => bottle < capacity).Count();
                    List<long> indexex = new List<long>();
                    decimal waterShortage = 0;
                    for (int i = bottles.Length - 1; i >= 0; i--)
                    {
                        waterShortage += capacity - bottles[i];
                        if (waterShortage > 0)
                        {
                            indexex.Add(i);
                        }
                    }
                    Console.WriteLine("We need more water!");
                    Console.WriteLine("Bottles left: {0}", bottlesCount);
                    Console.WriteLine("With indexes: {0}", string.Join(", ", indexex));
                    Console.WriteLine("We need {0} more liters!", waterShortage);

                }
            }
        }
    }
}