html(n=3)={
print("<table>\n<tr><th></th><th>X</th><th>Y</th><th>Z</th></tr>");
for(i=1,n,
print1("<tr><td>"i"</td>");
for(j=1,3,print1("<td>"random(9999)"</td>"));
print("</tr>")
);
print("</table>")
};