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 monitor a keyboard cup a and many papers on a desk

Ex Output:
(5, 6)


Ex Input:
Several gliders parked on grassy an field beside a paved surface

Ex Output:
(5, 6)


Ex Input:
boy A with a skateboard standing at an alley opening

Ex Output:

(1, 2)