#!/usr/bin/python

import sys

import getopt

import re

def compare(f1,f2,o1,o2,si_line):

    lines_count=0;

    in1 = open(f1,"r")

    in2 = open(f2,"r")

    ou1 = open(o1,"w")

    ou2 = open(o2,"w")

    while 1:

        line1 = in1.readline()

        line2 = in2.readline()

        if line1 and line2:

            lines_count=lines_count+1

            print >>ou1,re.sub(r'\n',"",line1)

            ou2.write(line2)

            if si_line<lines_count:

                break

        else:

            break

    f1.close()

    f2.close()

    o1.close()

    o2.close()

    return lines_count

def main():

    opts,args = getopt.getopt(sys.argv[1:],'h:',['fq1=','fq2=','out1=','out2=','Rlen=','Dataset='])

    fq1=opts[0][1]

    fq2=opts[1][1]

    out1=opts[2][1]

    out2=opts[3][1]

    readlength = opts[4][1]

    datasize = opts[5][1]

    size_lines = 4*int(datasize)*1e9/(int(readlength)*2)

    count = compare(fq1,fq2,out1,out2,size_lines)-1

    real_size = (count/4)*2*int(readlength)/1e9

    print datasize

    print real_size

if __name__ == "__main__":

    main()