Task: Program Execution
Input (English): 2761 o 4057 C c r 6565 a 8815 M p 7887 3557 5953 1425 v e d 4017 979 571 2499 6555 7201 c l T
Output (English): 1, 3, 7, 9, 12, 13, 14, 15, 19, 20, 21, 22, 23, 24