Task: Program Execution
Input (English): 5583 571 1751 o S p f p i R j L 9541 u k 1719 8303 b f g 267 9709 1105 8113 e z c 941 699 7369 6145 6163 u
Output (English): 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 19, 20, 25, 26, 27, 33