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:
Bathroom decorated in blues and greens with mirror a over the vanity

Ex Output:
(8, 9)


Ex Input:
a couple kids of are standing in a grassy field

Ex Output:
(3, 4)


Ex Input:
Four boats navigating a river a by waterfall

Ex Output:

(6, 7)