Task: Program Execution
Input (English): 2879 p 3979 9809 t Q 8375 2947 9715 x 9803 3629 2329 759 L I R z V 8529 3345 x 5315 905 Q 9129 199 Y l Q i d
Output (English): 1, 3, 4, 7, 8, 9, 11, 12, 13, 14, 20, 21, 23, 24, 26, 27