Task: Program Execution
Input (English): c b 7641 b 5283 5353 L 2189 2343 O 6489 2211 n M 1831 4259 h q 7739 4199 y 9459 x b 1287 7385 X 765 K f
Output (English): 3, 2, 7641, 2, 5283, 5353, 12, 2189, 2343, 15, 6489, 2211, 14, 13, 1831, 4259, 8, 17, 7739, 4199, 25, 9459, 24, 2, 1287, 7385, 24, 765, 11, 6