Task: Program Execution
Input (English): P E v Y 9459 o s t j u p Z 5 W B 265 B 4851 4553 6905 B 9519 6185 1999 z c
Output (English): 1, 2, 3, 4, 6, 7, 8, 9, 10, 11, 12, 14, 15, 17, 21, 25, 26