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 ewe and its lamb a in field with little grass

Output: (6, 7)


Input: Consider Input: Various kinds of flowers a in wild meadow

Output: (5, 6)


Input: Consider Input: red A double decker bus in London


Output: (1, 2)