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 old very train engine and a coal car behind it

Ex Output:
(2, 3)


Ex Input:
Two men in military uniforms sitting a on motor bike

Ex Output:
(7, 8)


Ex Input:
A man in a wetsuit that is sitting on a surfboard in a calm area of water the

Ex Output:

(17, 18)