Task: Program Execution
Input (English): 923 815 4201 j G 8825 9699 u t A x V 4943 3549 o 8701 813 M k 3945 q R 6981 E U o 719 3747 4551 z X 3401 X o
Output (English): 1, 2, 3, 6, 7, 13, 14, 16, 17, 20, 23, 27, 28, 29, 32