Task: Program Execution
Input (English): 5, 10, ['L', '9909', 'W', 'O', 't', '9977', 'A', '4779', 'F', '4085', '2247', 'b', 'g', '4707', 'W', '8571', 'f', '3227', 'w', 's', '4443', 'r', '3431', 'w', '3805', '7521']
Output (English): t, W, 3805