Task: Program Execution
Input (English): 9705 1833 3497 B 4911 j 1409 p 3977 6461 8077 W 5179 7479 V K 9961 j i n 9887 d E K J d 4891 4977
Output (English): 1, 2, 3, 5, 7, 9, 10, 11, 13, 14, 17, 21, 27, 28