Task: Program Execution
Input (English): 8751 d L A l 1753 509 v V A 6165 9797 3097 m K d T 8907 7765 447 F m 1861 7985 k I j Z 4913 4817 6117 L
Output (English): 1, 6, 7, 11, 12, 13, 18, 19, 20, 23, 24, 29, 30, 31