Task: Program Execution
Input (English): b 5875 t 1457 3817 X 4605 2733 W Z 8693 5387 9253 7035 B 4479 o 3591 5815 n 153 6445 5071 1891 7203 933 1131 3143 4413 m a
Output (English): 2, 4, 5, 7, 8, 11, 12, 13, 14, 16, 18, 19, 21, 22, 23, 24, 25, 26, 27, 28, 29