#!/usr/bin/env python
import commands
import re

cmd = '/usr/bin/mailq | tail -n1'
output = commands.getoutput(cmd)

if re.match("^--", output):
    count = output.rsplit(' ',4)
    count = count[3]
elif re.match("^Mail queue is empty$", output):
    count = 0

print 'mailq:%s' % count