Task: Program Execution
Input (English): t p I U l 4123 9483 2221 7095 5325 l s f C 9789 I 1633 X 441 Z N 6899 L p 3979 9463 s j
Output (English): 1, 2, 3, 4, 5, 11, 12, 13, 14, 16, 18, 20, 21, 23, 24, 27, 28