Task: Program Execution
Input (English): f 3015 6773 l 489 z V b d 3947 y 4025 9753 k 1447 8827 5827 9835 k 3223 9859 9847 r 3263 5059 L u u X M 9159
Output (English): 6, 3015, 6773, 12, 489, 26, 22, 2, 4, 3947, 25, 4025, 9753, 11, 1447, 8827, 5827, 9835, 11, 3223, 9859, 9847, 18, 3263, 5059, 12, 21, 21, 24, 13, 9159