/* example2-1.mod.txt */

var x1 >= 0 ;
var x2 >= 0 ;

maximize z: x1 + 2*x2 ;
s.t. st1: x1 + 3*x2 <= 24 ;
s.t. st2: 4*x1 + 4*x2 <= 48 ;
s.t. st3: 2*x1 + x2 <= 22 ;

end;