Task: Program Execution
Input (English): 5207 Y 761 5763 q G 1305 17 657 7079 4365 G G d 771 3875 m V 2365 r b O A I 6411 q 6227 V 4699 9371 2265 2453 x W b 1569 3673 i
Output (English): 1, 3, 4, 7, 8, 9, 10, 11, 15, 16, 19, 25, 27, 29, 30, 31, 32, 36, 37