Task: Program Execution
Input (English): 12, ['K', '1389', 'p', '2197', '2871', 'l', 's', 'O', '1715', 'Y', 'K', 'z', 's', 'd', '5489', '5247', '6407', '4663', '9433', 'I', '5353', '4479', 'a', 'l']
Output (English): K, s