Task: Program Execution
Input (English): 7415 S 3783 Z F j F 7825 9535 5103 9639 r 4133 Y 4575 9615 E 8407 1889 L m u 2719 k T C 2891 V
Output (English): 2, 4, 5, 6, 7, 12, 14, 17, 20, 21, 22, 24, 25, 26, 28