Task: Program Execution
Input (English): J k I l 6033 w K 4703 133 7787 5795 1117 6545 z W 621 R 5253 f f J 1507 8553 3403 o S 2517 e
Output (English): 1, 2, 3, 4, 6, 7, 14, 15, 17, 19, 20, 21, 25, 26, 28