Task: Program Execution
Input (English): 15, 18, ['B', '7473', 'f', 'K', 'F', 'B', 'M', 'g', 'S', 'Q', 'h', '8247', '7217', '1899', 's', 'a', 'f', 'I', 's', 'J', 'c', '883', '5035', 'H', 'P', 'f', 'd', 'O', '563']
Output (English): I, f, a, s