public class Multiplication {
    public static void main(String[] args) {
        // Loop through rows, then loop through columns
        for (int row = 1; row <= 5; row++) {
            for (int col = 1; col <= 5; col++) {
                int product = row * col;
                String binary = Integer.toBinaryString(product);
                // System.out.print(binary + "\t");
                System.out.printf("%6s", binary);
            }
            System.out.println();
        }
    }
}