/**
 * This programs presents a checker grid 100 x 100
 * 
 * @paigethorn
 * 4/12/21
 */

public class CheckersGrid
{
    public static void main(String[] args)
    {
        for(int row = 0; row < 100; row++)
        {
            for(int col = 0; col < 100; col++)
            if((col + row) % 2 == 0)
            {
                System.out.print("@");
            }
            else
            {
                System.out.print("#");
            }
            System.out.println();
        }
    }
}