#!/usr/bin/python
# popgrep2 - grep for abbreviations of places that say "pop"
# version 2: compile the patterns
import fileinput
import re
popstates = ["CO","ON","MI","WI","MN"]
state_re = []
for state in popstates:
    state_re.append(re.compile(r"\b"+state+r"\b"))
for line in fileinput.input():
    for state in state_re:
        if state.search(line):
            print line