Snake

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
namespace Pinguin_Airlains
{
    class Program
    {
        static void Main(string[] args)
        {
            string rc = Console.ReadLine();
            int[] RC = rc.Split('x').Select(n => Convert.ToInt32(n)).ToArray();
            int rows = RC[0];
            int cols = RC[1];
            char[,] cave = new char [rows,cols] ;
            bool hitRock = false;
            

            int lenght = 3;
            int count = 0;
            Cordinats startingPoint = new Cordinats(0, 0);

            for (int i = 0; i < rows; i++)
            {
                string str = Console.ReadLine();
                for (int j = 0; j < cols; j++)
                {
                     cave[i, j] = str[j];
                    if (cave[i,j].Equals('e'))
                    {
                        startingPoint.x=i;
                        startingPoint.y = j;
                    }
                }
                
            }
            char[] instructions = ConvertInstructions(Console.ReadLine());


            for (int i = 0; i < instructions.Length; i++)
            {
                count++;
                if (count % 5 == 0)
                {
                    lenght--;
                }

                switch (instructions[i])
                {
                    case 's':  startingPoint.x = startingPoint.x+1;break;
                    case 'w': startingPoint.x = startingPoint.x - 1; break;
                    case 'a': startingPoint.y = startingPoint.y -1;  break;
                    case 'd': startingPoint.y = startingPoint.y +1; break;

                }
                if (startingPoint.y > cols - 1)
                {
                    startingPoint.y = 0;
                }
                if (startingPoint.y < 0)
                {
                    startingPoint.y = cols - 1;
                }
                if (startingPoint.x > rows - 1)
                {
                    Console.WriteLine("Sneaky is going to be lost into the depths with length {0}", lenght);
                    break;
                }

                switch (cave[startingPoint.x, startingPoint.y])

                {
                    case '@': lenght++; cave[startingPoint.x, startingPoint.y] = '-' ; break;
                    case '%': Console.WriteLine("Sneaky is going to hit a rock at [{0},{1}]", startingPoint.x, startingPoint.y);hitRock = true; ;break ; 
                    case 'e': Console.WriteLine("Sneaky is going to get out with length {0}", lenght);hitRock=true ;break;
                    default:break;
                }
               
               
                if (hitRock)
                {
                    break;
                }
                if (lenght<=0)
                {
                    Console.WriteLine("Sneaky is going to starve at [{0},{1}]", startingPoint.x, startingPoint.y);break;
                }
                if (i==instructions.Length-1)
                {
                    Console.WriteLine("Sneaky is going to be stuck in the den at [{0},{1}]",startingPoint.x,startingPoint.y);
                    break;
                }
               
            }

        }

        static char[] ConvertInstructions(string str)
        {
            str = str.Replace(",", "");
            char[] rows = str.ToCharArray();
            return rows;
        }


       

        public class Cordinats 
            {
            public int x;
            public int y;
           public Cordinats (int x,int y)
            {
                this.x = x;
                this.y = y;

            }
                
            }
    }

}