Task: Program Execution
Input (English): 1, ['6487', '6441', 'D', '2519', '3133', '2745', '1661', '701', 'K', '3113', 'm', '2859', 'U', 'N', 'Y', '3', 'e', '8327', '1575', '1321', 's', '1857', 'l', '6901', '9507', '7707', 'u']
Output (English): 6487