Task: Program Execution
Input (English): [5773, 3451, 333, 7403, 7921, 'l', '9389', '849', '8321', '7701', 'm', '5293', '7055', 'r', '1355', '1949', 'x', 5223, 'X', 'r'], ['y', 4693, 'k', 'i', 'm', 'l', '9389', '849', '8321', '7701', 'm', '5293', '7055', 'r', '1355', '1949', 'f', 3091, 'q', 'Z']
Output (English): l, 9389, 849, 8321, 7701, m, 5293, 7055, r, 1355, 1949