Task: Program Execution
Input (English): W 2579 6207 g 6917 E M 3561 i E 8585 1377 h 7779 W U 31 F Y I q G 7737 1537 i L Q 1887 e 1517 A
Output (English): 1, 4, 6, 7, 9, 10, 13, 15, 16, 18, 19, 20, 21, 22, 25, 26, 27, 29, 31