public class Main {
    public static void main(String[] args) {
        // false - BLACK, true - WHITE, null - NO PIECE
        final Boolean[] pieces = new Boolean[64];

        pieces[0] = false;
        pieces[0 + 7] = false;

        pieces[7 * 8] = true;
        pieces[7 * 8 + 7] = true;

        for (int i = 0; i < pieces.length; i++) {
            if (pieces[i] == null) {
                continue;
            }

            for (int k = 0; k < 8; k++) {
                final Boolean horizontalCheck = pieces[i / 8 + k];
                final Boolean verticalCheck = pieces[k * 8 + i % 8];

                if (verticalCheck != null && verticalCheck != pieces[i]) {
                    System.out.println(i / 8 + ", " + i % 8 + " has attacking rook");
                    break;
                }

                if (horizontalCheck != null && horizontalCheck != pieces[i]) {
                    System.out.println(i / 8 + ", " + i % 8 + " has attacking rook");
                    break;
                }
            }
        }
    }
}