Task: Program Execution
Input (English): P, I, Q, 2031, C, O, 7557, R, 3881, 3209, 1561, 301, 2103, 7995, 1609, 1717, 5447, 9717, 9371, 1539, 4375, 251
Output (English): 16, 9, 17, 2031, 3, 15, 7557, 18, 3881, 3209, 1561, 301, 2103, 7995, 1609, 1717, 5447, 9717, 9371, 1539, 4375, 251