Task: Program Execution
Input (English): ['w', 7977, 7217, 3587, 'd', 'f', 'U', '2395', '6719', '1581', 'N', 'v', 6557, 'u'], [1413, 'r', 775, 813, 7451, 'f', 'U', '2395', '6719', '1581', 'N', 'b', 'f', 5387, 'W', 3891]
Output (English): f, U, 2395, 6719, 1581, N