Task: Program Execution
Input (English): 12, 15, ['3449', '1217', '589', '3735', 'A', 'a', 'o', '9801', '133', '7263', 'n', '2489', 'o', '1631', '7153', 'A', 'B', '661', 'Z', 'w', '8247', '1605']
Output (English): 2489o16317153