Task: Program Execution
Input (English): 12, 14, ['M', '4473', '7917', 'H', 'A', 'k', 't', '1309', 'y', '8371', 'E', '8353', '8537', 'Q', 'h', 'v', '3819', '8199', 'g', 'j', '7351', 'Z', '2977', '8735']
Output (English): 83538537Q