Task: Program Execution
Input (English): 2, 20, ['N', 'N', 'n', 'f', 'E', '7217', 'B', '7957', '8477', 'A', '6293', '7123', 'P', '4601', '3237', '9561', 'S', 'Q', 'I', 'p']
Output (English): pIQS956132374601P71236293A84777957B7217EfnN