Task: Program Execution
Input (English): 20, 21, ['677', '3179', '6893', 'j', '6591', 'o', 'G', '5571', 'N', 'f', '8329', '8815', '941', '451', 'O', '5125', '4761', 'Z', '8147', '3999', '1243', '2625', '8645', '7207', 'u', '1041', '1467']
Output (English): 12433999