Task: Program Execution
Input (English): O G 4121 M 8523 G 669 f V 6969 B A G 2895 321 549 6717 o 5347 K U 5567 8981 8015 m X N F y u H q c
Output (English): 1, 2, 4, 6, 8, 9, 11, 12, 13, 18, 20, 21, 25, 26, 27, 28, 29, 30, 31, 32, 33