Task: Program Execution
Input (English): 421 8811 4007 6251 7143 C F 8199 2491 581 k 3537 9667 M V F 8901 2785 p c i s 1319 t 2221 c 5135 5247 3991 8025 n
Output (English): 1, 2, 3, 4, 5, 8, 9, 10, 12, 13, 17, 18, 23, 25, 27, 28, 29, 30