using System;

public class Program

{

    public static int simulate(int[] X, int A)

    {

        int size = X.Length;

        for (int i=0; i<size; i++) 

        {

            if (X[i] == A) { A += A ;}

        }

        return A;   

    }

    public static int countAlarms(int[] volume, int S) 

    {

        int size = volume.Length;

        int count = 0;

​

        while(S > 0) 

        {

            S -= volume[count % size];

            count++;

        }

        return count;   

    }

    public static int[] findStart(string[] board)

    {

        int[] start = {0, 0};

        for(int x = 0; x<board.Length; x++)

        {

            /*

            String str = board[x];

            int y = str.IndexOf("S");

            start[0] = x;

            start[1] = y;

            return start;

            */

            for(int y = 0; y<board[x].Length; y++)

            {

                if (board[x][y] == 'S')

                {

                    start[0] = x;

                    start[1] = y;

                }

            }

        }

        return start;

    }

/*  

    public static int[] nextStep(int[] position)

    {

    }

*/  

    public static string isSafeCommand(string[] board, string S)

    {

        //string s = "S";

        int[] start = Program.findStart(board);

        //following directions from string

        int size = S.Length;

        for (int i=0; i<size; i++) 

        {

            int[] pos = start;

            char direction = S[i];

            switch(direction)

            {

                case 'U':

                    Console.WriteLine("I got U");

                    pos[0]--;

                    break;

                case 'D':

                    Console.WriteLine("I got D");

                    pos[0]++;

                    break;

                case 'L':

                    Console.WriteLine("I got L");

                    pos[1]--;

                    break;

                case 'R':

                    Console.WriteLine("I got R");

                    pos[1]++;

                    break;

            }

            if (pos[0] < 0 || pos[0] >= board.Length || pos[1] <0 || pos[1] >= board[0].Length) 

            {

                return "Dead";

            }

            if (board[pos[0]][pos[1]] == '.')

            {

                start[0] = pos[0];

                start[1] = pos[1];

            }

        }

​

        return "Alive";

    }

    public static void Main()

    {

        //task1 

        /*

        int []x = {4,5,6,8,6,3,9,12,80,35,16,40,32,24,10,20,40,48};

        int a = 4;

        Console.WriteLine(Program.simulate(x, a));

        */

        //task2

        /*

        int []x = {42,68,35,1,70,25,79,59,63,65,6,46,82,28,62,92,96,43,28,37,92,5,3,54,93,83,22,17,19,96,48,27,72,39,70,13,68,100,36,95,4,12,23,34,74,65,42,12,54,69};

        int a = 900;

        Console.WriteLine(Program.countAlarms(x, a));

        */

        //task3

        string []board = {".....",

 ".###.",

 "..S..",

 "...#."};

        string S = "URURU";

        int[] start = Program.findStart(board);

        Console.WriteLine(Program.isSafeCommand(board,S));

        Program.isSafeCommand(board, S);

        ///int start = Array.IndexOf(board, "S");

​

    }

}