Task: Program Execution
Input (English): t A 6727 7725 5355 2845 3839 r F 5323 P o 5255 A q t 5975 2007 I M T 6839 7477 W 807 4897 O S y 1075 2125
Output (English): 3, 4, 5, 6, 7, 10, 13, 17, 18, 22, 23, 25, 26, 30, 31