Task: Program Execution
Input (English): 1233 4857 3163 h J 5197 O 4257 9673 3671 9409 8445 i j 4755 x K 4589 C 9695 C 6849 A j G 5463
Output (English): 1, 2, 3, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 26