Task: Program Execution
Input (English): f r P T f 3721 6275 9517 w L 173 A 1137 9111 9227 P 4547 9807 y a z X C p 9701 r 8921 955 3815 U 7611 8643 g 6971 9603 3559
Output (English): 6, 7, 8, 11, 13, 14, 15, 17, 18, 25, 27, 28, 29, 31, 32, 34, 35, 36