Task: Program Execution
Input (English): 15, 21, ['L', '1773', '521', '1777', 'I', 'e', 'F', '8167', '4347', 'Y', 'H', 'm', 'd', '3691', 'z', '7723', 'Z', 'K', 'h', 'r', '1857', '5379', 'A', '2503', '6187', '2539', '7041', 'F']
Output (English): 9580