Task: Program Execution
Input (English): i X 7361 4521 6987 2879 7043 6443 7063 7397 X 7129 8513 L 5289 695 63 r 8761 a 3661 u G 1609 1477 W p 3415 S 1955
Output (English): 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 15, 16, 17, 19, 21, 24, 25, 28, 30