Task: Program Execution
Input (English): 1, 5, ['9507', '261', 'u', 'S', 'g', 'v', 'X', '9401', '2173', '1331', '2107', '8007', 'c', 'c', '6407', '6803', 'i', 'M', '3765', 'L', 'Q', 'y', 'O']
Output (English): 9768