class Colorable()
  function Colorable( this, color )
    this.color := color;
  endfunction
endclass

class Drawable()
  function Drawable( this, x, y )
    this.x := x;
    this.y := y;
  endfunction
endclass

class Shape( Colorable, Drawable )
  function Shape( this, color, x, y )
    super( color, x, y );
  endfunction
endclass

var shape := Shape( "red", 1, 2 );
print( $"{shape.color} {shape.x} {shape.y}" ); // Output: red 1 2