Task: Program Execution
Input (English): 8, 15, ['7149', '3977', '4587', 'g', '8697', '609', 'o', '2639', 'e', 'J', '771', '2609', 'F', '6109', '6405', '7513', 'L', 'x', '3375', 'c', '7205', '6647']
Output (English): 2639eJ7712609F61096405