Task: Program Execution
Input (English): 12, 18, ['O', '5423', '6135', '6547', '169', '4871', 'Z', 'M', 'h', '2485', 't', '7377', '6121', 'j', 'y', 'K', 'T', '2761', '4299']
Output (English): 73776121jyKT2761