Regex and Parsing start() and end() .py

S = raw_input()
k = raw_input()
import re
pattern = re.compile(k)
r = pattern.search(S)
if not r: print "(-1, -1)"
while r:
    print "({0}, {1})".format(r.start(), r.end() - 1)
    r = pattern.search(S,r.start() + 1)