Task: Program Execution
Input (English): 4, 10, ['5181', 'G', 'I', 'H', '9001', '1123', '749', 'C', '2761', '6813', 'c', 'u', '6319', '3627', '2957', 'j', 'n', '7473', 'l', '8811', 'q']
Output (English): 31861672C94732111009H