Task: Program Execution
Input (English): 3, 7, ['C', 'd', '1299', 'B', 'P', '3477', 'w', 'n', '7615', 's', 'W', 'n', 'T', '373', '9833', 'y', '6547', 'Y', 'F', 'Y', '6253']
Output (English): w3477PB1299