Task: Program Execution
Input (English): 15, 21, ['6457', 'j', 'Y', 'O', '5119', '1515', '255', 'y', 'k', 'r', 'v', 'j', 'c', '313', '8243', 'T', 'i', '5379', 'q', 'S', '4769', 'p', 'w', '1705', '3563']
Output (English): 18391