Task: Program Execution
Input (English): 1717 4831 3853 2761 l 6599 5109 5477 5281 8855 F x o w 9059 g F F a 3065 V N 8589 G Z 9871 587 v u l 5627 O z 339 7587 3977 8937
Output (English): 1, 2, 3, 4, 6, 7, 8, 9, 10, 15, 20, 23, 26, 27, 31, 34, 35, 36, 37