Task: Program Execution
Input (English): 4, 2, ['9567', '9451', 'q', 'v', '4525', '1673', '1785', '9939', 'F', 'Q', 'w', 'W', 'A', 's', 'F', 'n', '3269', 'u', 'J', '3821']
Output (English): v, 1673, 9939, Q, W, s, n, u, 3821