Last-minute Packing

Lara is going on her first international trip, and she is so excited! But being the clumsy person that she is, she postpones her packing to the last minute and now she finds it very difficult to pack her bags properly. So she wrote the following code that could optimize her packing problem. But there’s something wrong with it! Help her before it’s too late! All items to be packed have a size(an i