Task: Program Execution
Input (English): 6245 p 9023 5899 C 8533 W Z a r X 729 E 9087 u I 5873 t 621 8429 3743 8433 7835 4331 955 1523 B 8817 G 2537 3113
Output (English): 2, 5, 7, 8, 9, 10, 11, 13, 15, 16, 18, 27, 29