Task: Program Execution
Input (English): 1, ['8643', '6997', '5397', 'c', '385', 'B', 'k', 'O', '7233', '6639', 'O', 'k', '2485', 'v', 't', '8009', 'Y', 'A', '6203', 'L', '705', 'D', 'q', '6395']
Output (English): 8643