Task: Program Execution
Input (English): ['l', 'd', 1949, 'n', 8499, 'q', 9403, '5873', '9393', 'o', '7913', '4679', 'q', '6049', 'n', 'x', 'y', 4615, 2845, 3245], ['D', 'x', '5873', '9393', 'o', '7913', '4679', 'q', '6049', 'n', 'x', 'X', 8255, 'c', 'b', 8511, 6449, 9607, 2285, 1801]
Output (English): 5873, 9393, o, 7913, 4679, q, 6049, n, x