Task: Program Execution
Input (English): 3, 7, ['G', 'U', '671', '2405', 'X', '2051', 'v', '4759', '1735', '9817', '1901', 'T', '145', 'e', '2455', '8505', 'l', '5325', '9621', '6629', '3031', 'z']
Output (English): 671, 9817, l