Task: Program Execution
Input (English): 3, 13, ['q', 'u', 'z', 'x', '125', 'T', '1647', 'x', '2831', '3421', '5843', '4541', 'F', '1885', 'K', 'g', '3101', '6675']
Output (English): F1454348512431382x7461T521xz