Problems
Indexes of spaces
Indexes of spaces
Find the indexes of the first and the last spaces in the given string, if the first character has index "0"..
Input
One line of text, consisting only of Latin letters, punctuation marks and spaces.
Output
Print the indexes of the first and the last spaces. If there are no spaces in the line, print -1.
Input example #1
I am programming on Python.
Output example #1
1 19
Input example #2
abrakadabra
Output example #2
-1