Task: Program Execution
Input (English): 7467 907 3053 s G 8783 K 5809 F v O 5223 7425 5967 4731 2683 4071 5345 O 5651 3511 J L f 2055 5041 8307 l 9533 8783 8559 4439 f o 1363 4059 z 371 2591
Output (English): 4, 5, 7, 9, 10, 11, 19, 22, 23, 24, 28, 33, 34, 37