In this task, positions of two consecutive words have been swapped. You need to output the position of the swaped words. e.g. in the sentence 'Seattle has nice a weather', the word 'a' and 'nice' have been swapped. These words are at 3rd and 4th position respectively. So, the output should be (3, 4). Note that the index of first word is 1.

Ex Input:
A sheep standing on top a of pile of dried grass

Ex Output:
(6, 7)


Ex Input:
A room with some chairs a desk and a table it in

Ex Output:
(11, 12)


Ex Input:
An interior room with a door white wooden shelf and window

Ex Output:

(6, 7)