Task: Program Execution
Input (English): 9283 939 R w 2079 O t E Z z G 7897 8391 5405 1219 243 i f 2271 4349 B 9751 9987 g l n 5909 5017 2299 787 W f E B 1399 g 7321 H j 9823
Output (English): 1, 2, 5, 12, 13, 14, 15, 16, 19, 20, 22, 23, 27, 28, 29, 30, 35, 37, 40