Task: Program Execution
Input (English): e 6107 367 G l f C i 3 r 6709 4029 Z 1905 4815 8801 7109 c j N y r 1045 P R p 5583 C 1509 7511 c 4323 2701 1217 4397 1423
Output (English): 1, 4, 5, 6, 7, 8, 10, 13, 18, 19, 20, 21, 22, 24, 25, 26, 28, 31