Task: Program Execution
Input (English): 8685 n O x 3181 L z k c 6923 E 4805 9647 O A 5451 W 6039 191 X 6915 z O m N
Output (English): 2, 3, 4, 6, 7, 8, 9, 11, 14, 15, 17, 20, 22, 23, 24, 25