Task: Program Execution
Input (English): E 27 2979 895 6645 L 7135 2947 9081 p 9237 o I 9909 k 1791 8215 t F 8229 2673 x 1473 7849 m
Output (English): 2, 3, 4, 5, 7, 8, 9, 11, 14, 16, 17, 20, 21, 23, 24