Task: Program Execution
Input (English): 1589 I O w 5143 S p 445 C 3011 1415 V Y 849 n d 6863 1477 8023 v i K a a J 2515 5425 u
Output (English): 2, 3, 4, 6, 7, 9, 12, 13, 15, 16, 20, 21, 22, 23, 24, 25, 28