Task: Program Execution
Input (English): 7, 14, ['5001', '2503', '8205', 'g', 'M', '2943', '2563', '8523', '6905', 'A', '947', '8987', '4947', '3535', '4999', 'U', 'Y', 'a', '1079', 'C', 's', '2007', 'c', 'n', 'u']
Output (English): 535374947898749A509632583652