Task: Program Execution
Input (English): 2, 10, ['P', '9247', 'w', '2335', 'M', '2511', 'X', 'B', 'p', 'P', '4219', 'y', '9127', '9531', 'R', '525', '5029', 'w', '707']
Output (English): PpBX2511M2335w9247