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 digital clock on a bus can be above seen peoples heads

Output: (9, 10)


Input: Consider Input: A large walking elephant in the tall grass

Output: (3, 4)


Input: Consider Input: Two monitor screens a and keyboard on the table


Output: (4, 5)