#!/usr/bin/python

from __future__ import division

import sys,os,time

if __name__=='__main__':
    f=open(sys.argv[1],'r')
    total=0
    right=0
    
    for line in f:
        if len(line.strip()) == 0:continue
        total=total+1
        arrays=line.strip().split("\t");

	#print arrays[-1].strip(),":",arrays[-2].strip()
        if arrays[-1].strip()==arrays[-2].strip():right=right+1

    print 'total line:',total,',success:',right,',accur:%.4f'%(right/total)