Task: Program Execution
Input (English): e 1377 455 2453 7637 763 4027 l H 8261 N C 4787 Q 4495 3673 5049 o 3323 3225 2779 h k P 7175 F R 5749 7355 9505 4429 x 8505 7933
Output (English): 2, 3, 4, 5, 6, 7, 10, 13, 15, 16, 17, 19, 20, 21, 25, 28, 29, 30, 31, 33, 34