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:
There are two birds eating from bird a feeder

Ex Output:
(7, 8)


Ex Input:
a and yellow silver train sitting on the track

Ex Output:
(2, 3)


Ex Input:
Man exercising with frisbee on indoor an court

Ex Output:

(6, 7)