Task: Program Execution
Input (English): 5433 2521 8233 k 4301 2609 9853 1631 6863 Z f 4457 235 k b 2817 a 7295 t 305 2765 J p H j f Q J x J 4927 1495 e d 4917 1315 B f C
Output (English): 4, 10, 11, 14, 15, 17, 19, 22, 23, 24, 25, 26, 27, 28, 29, 30, 33, 34, 37, 38, 39