Task: Program Execution
Input (English): H X 7427 z V j W x 6033 i 109 8309 r i 1045 271 E B 8361 1143 s d I c J K j 6673 g Z K
Output (English): 1, 2, 4, 5, 6, 7, 8, 10, 13, 14, 17, 18, 21, 22, 23, 24, 25, 26, 27, 29, 30, 31