Task: Program Execution
Input (English): s Z x X f 4895 s g U S H 8395 8107 2737 J 6813 9519 I 155 J 735 g Y 8991 V I
Output (English): 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 15, 18, 20, 22, 23, 25, 26