Task: Program Execution
Input (English): 4, 7, ['3571', 'q', 'J', 'F', 'W', 'r', 'X', '7601', '7917', '3863', '3987', 'B', '7231', 'o', 's', '6505', 'Y', '6705', 'i', 'q', '1131', 'U', '5847', 't', '9225']
Output (English): F, 3987, 6705, 9225