Task: Program Execution
Input (English): 1, ['1645', '2615', 'Z', '3549', 'R', '9435', '7743', '5709', 'P', '5781', '8015', '3991', 'x', 'V', 'y', 'C', 'J', 'A', 'v', 'a', '67', '7747', '4059', 'S', 'u', '2617']
Output (English): 1645