Task: Program Execution
Input (English): 1, 11, ['z', '9907', 'K', '5415', '4853', 'y', 'G', 'e', '999', '5475', 'V', 'E', '8491', '8905', '6763', '4715', 'H', '4203', '1521', '7853', '5071', 'd']
Output (English): z, E