Task: Program Execution
Input (English): 12, ['5881', '7099', 'x', '7343', '5405', 'B', 'y', 'z', 'J', '4607', '7985', '807', 'R', '3327', '7749', '543', 'U', 'i', 'E', '9503', '9933', '9363', 'a', 'a']
Output (English): R, 3327, 7749, 543, U, i, E, 9503, 9933, 9363, a, a