Task: Program Execution
Input (English): 7303 651 6783 8479 699 5177 2313 r 529 G Z 8615 V G 5395 2767 6077 Q u 4139 U J 8377 S J 5809 u
Output (English): 1, 2, 3, 4, 5, 6, 7, 9, 12, 15, 16, 17, 20, 23, 26