Task: Program Execution
Input (English): 13, 15, ['5239', '8581', 'Q', 'H', '3529', '5071', 'C', 'c', 'P', 'd', '8621', '6041', '8399', '6507', 'O', '8877', '5409', '1505', 'a', 'l', '2167', '1431', '3857', '1755', 'X', 'B', 'T']
Output (English): O70569938