Task: Program Execution
Input (English): 943 4427 a 8525 3051 5181 4871 y z D u 8897 U b 1291 N 9121 m 1021 9967 w C M 3055 k v 5225 3501 9957 4873 239 2785 z m Z 8613 t 2321 6309
Output (English): 1, 2, 4, 5, 6, 7, 12, 15, 17, 19, 20, 24, 27, 28, 29, 30, 31, 32, 36, 38, 39