Task: Program Execution
Input (English): B 2627 7241 3143 2849 1469 M 3633 b U 3207 907 I 1931 f 3773 Q z J 4189 t l 689 H 7369 H d 3207 R N 5533 7973 Z 6757 8327 a 1623 P T 7589
Output (English): 1, 7, 9, 10, 13, 15, 17, 18, 19, 21, 22, 24, 26, 27, 29, 30, 33, 36, 38, 39