Task: Program Execution
Input (English): 8, 18, ['B', 'e', '2281', '7757', '2921', '6313', 'S', 'T', 'U', '5587', 'o', '3647', 'U', 'm', '7417', '2519', 'f', 'r', 'M', '1483', 'c']
Output (English): TU5587o3647Um74172519fr