Task: Program Execution
Input (English): 21, 23, ['4853', '973', '7063', '5709', 'j', 's', 'B', '1235', 'H', '4241', '87', '7209', '221', 'W', '4563', 'y', 'f', '2263', '4577', 'g', 'w', 'T', 'F', 'f']
Output (English): F, T, w