03. Heart Delivery

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

namespace MidExam_03
{
    class Program
    {
        static void Main(string[] args)
        {
            List<int> neighborhood = Console.ReadLine().Split("@").Select(int.Parse).ToList();
            int possition = 0;
            while (true)
            {
                string[] command = Console.ReadLine().Split(" ").ToArray();
                if (command[0] == "Jump")
                {
                   possition= jump(neighborhood, command[1], possition);
                }
                else if (command[0]=="Love!")
                {
                    love(neighborhood, possition);
                    return;
                }
            }
        }

        private static void love(List<int> neighborhood, int possition)
        {
            int checker = 0;
            for (int i = 0; i < neighborhood.Count; i++)
            {

                if (neighborhood[i]==0)
                {
                    checker++;
                }
            }
            if (checker == neighborhood.Count)
            {
                Console.WriteLine($"Cupid's last position was {possition}.");
                Console.WriteLine("Mission was successful.");
            }
            else
            {
                Console.WriteLine($"Cupid's last position was {possition}.");
                Console.WriteLine($"Cupid has failed {neighborhood.Count-checker} places.");
            }
        }

        private static int jump(List<int> neighborhood, string lenght, int possition)
        {
            int index = int.Parse(lenght);
            if (index>=neighborhood.Count || (possition+index)>=neighborhood.Count)
            {
                if (neighborhood[0] == 0)
                {
                    Console.WriteLine("Place 0 already had Valentine's day.");
                }
                else
                {
                    neighborhood[0] = neighborhood[0] - 2;
                    if (neighborhood[0] <= 0)
                    {
                        neighborhood[0] = 0;
                        Console.WriteLine("Place 0 has Valentine's day.");
                    }
                }
                return 0;
            }
            possition += index;
            if (neighborhood[possition] == 0)
            {
                Console.WriteLine($"Place {possition} already had Valentine's day.");
            }
            else
            {
                neighborhood[possition] = neighborhood[possition] - 2;
                if (neighborhood[possition] <= 0)
                {
                    neighborhood[possition] = 0;
                    Console.WriteLine($"Place {possition} has Valentine's day.");
                }
            }
            return possition;
        }
    }
}