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 of number people walking on a street with open umbrellas

Output: (2, 3)


Input: Consider Input: women Four sitting on lawn furniture near a wooden barrel

Output: (1, 2)


Input: Consider Input: A train is at a for platform passenger loading


Output: (6, 7)