Task: Program Execution
Input (English): E f 3417 2837 4713 893 W 9573 1989 D U V 6429 8423 7355 1977 v 7541 p 2221 g O 7169 I 7889 501 5891 O X 1269 4311 9657 f 9321
Output (English): 1, 2, 7, 10, 11, 12, 17, 19, 21, 22, 24, 28, 29, 33