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.

Input: Consider Input: A vase sitting in front a of window filled with flowers

Output: (6, 7)


Input: Consider Input: A batter gettign ready to swing at a pitch the while crowd looks on

Output: (10, 11)


Input: Consider Input: The of front an airplane with two engines and propellers


Output: (2, 3)