Task: Program Execution
Input (English): 4, 2, ['139', 'a', 'C', 'U', '7889', 'q', '2799', '7167', '8825', '1715', 'K', 'Y', '9019', 'K', 'J', '3649', '3065', '9947', 'Q', 'K', '4751', '7563', 'E', '1323', 'T']
Output (English): U, q, 7167, 1715, Y, K, 3649, 9947, K, 7563, 1323