Task: Program Execution
Input (English): 4779 Y D 9439 a 9929 4209 L 4251 5725 a E t d 2759 521 539 H p g z 541 5479 3589 1685 7537 Y 7219 Z 8327 8745
Output (English): 2, 3, 5, 8, 11, 12, 13, 14, 18, 19, 20, 21, 27, 29