Task: Program Execution
Input (English): 1, 14, ['3813', '4995', 'U', '941', 'I', '3493', 'q', 'i', '2429', 'u', 'N', 'V', 'B', '1007', '2687', '8345', 'I', 'V', 'z', 'u']
Output (English): 7001BVNu9242iq3943I149U59943183