Task: Program Execution
Input (English): 7, 15, ['9839', '11', 'v', 'v', '837', '6431', 'c', '7363', 'i', '7477', '123', '2971', '5479', '763', '1295', '227', '905', 'u']
Output (English): c, 7363, i, 7477, 123, 2971, 5479, 763, 1295