Task: Program Execution
Input (English): j 1689 9677 7891 7745 E D 7783 u 9607 7517 9631 L j a M C a 3109 N 355 6917 9177 B 175
Output (English): 2, 3, 4, 5, 8, 10, 11, 12, 19, 21, 22, 23, 25