Task: Program Execution
Input (English): 3903 D 949 i R 3855 5945 1297 E S 5983 6067 A 5171 T 9719 D W 8401 U 4123 y 1099 s 9203 3607 M t L 7745 7891 O 1957
Output (English): 2, 4, 5, 9, 10, 13, 15, 17, 18, 20, 22, 24, 27, 28, 29, 32