using System;

​

public class Program

{

    public static int Cols = 0;

    public static void Main()

    {

        Console.WriteLine(Mark(1, 1));

    }

    public static long Mark(int row, int col)

    {

​

        int idx = (Cols * (row - 1)) + col;

​

        return (long)(1 << idx);

    }

}