Task: Program Execution
Input (English): 4, 4, ['u', '8549', 'H', 'W', 'h', 'g', 'A', 'K', '9111', '6127', '5253', 'P', '2935', '2923', '4799', 'F', 'J', '6929', 'N', 'i', '5749', '1693', '767', '9423']
Output (English): W, K, P, F, i, 9423