Task: Program Execution
Input (English): 16, 21, ['l', 'u', 't', '4187', 'd', '6943', '6843', '5357', 'e', '8751', '337', '7193', '8263', '4393', '375', 'Q', '4459', 'w', 's', 'c', '7851']
Output (English): Q, 4459, w, s, c, 7851