Task: Program Execution
Input (English): b 2855 5017 k 2359 3249 j 2895 6497 2141 3937 1049 2171 7609 o 2403 D g v 207 X 4211 9123 7275 4161 8475 6373 6999 9087 4795 6935 6829 q f r 4909 8219 L 4507 r
Output (English): 1, 4, 7, 15, 17, 18, 19, 21, 33, 34, 35, 38, 40