404 Not Found

Enjoy a randomly generated fortune:

$ fortune | cowsay

 ________________________________________
/ (1) X=Y ; Given (2) X^2=XY ; Multiply  \
| both sides by X (3) X^2-Y^2=XY-Y^2 ;   |
| Subtract Y^2 from both sides (4)       |
| (X+Y)(X-Y)=Y(X-Y) ; Factor (5) X+Y=Y ; |
| Cancel out (X-Y) term (6) 2Y=Y ;       |
| Substitute X for Y, by equation 1 (7)  |
| 2=1 ; Divide both sides by Y           |
|                                        |
\ -- "Omni", proof that 2 equals 1       /
 ----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

$output = shell_exec("/usr/games/fortune | /usr/games/cowsay");
echo $output;