Task: Program Execution
Input (English): 9, 18, ['7645', 'M', '6139', '8641', 'U', '8667', '5719', '1349', 'f', '2267', '5709', '9811', '1529', 'B', 'A', 'z', '1125', '9925', 'H', '6599', 'H', 'M', 'i', '4111', '9825', 'x', 'z', 'M', 'I', 'u']
Output (English): f2267570998111529BAz11259925