Task: Program Execution
Input (English): 1, 12, ['3511', 'r', 'U', '9877', '7431', '7267', '1525', 's', 't', 'E', 'b', 'O']
Output (English): O, b, E, t, s, 1525, 7267, 7431, 9877, U, r, 3511