c = 0
f = open("c:/conv.kss", "r")
rawlines = f.readlines()
f.close
output = open("c:/mytest2.kss", 'w')
for line in rawlines:
    if c > 1:
        myvar = line.split(',')
        if len(myvar) > 5:
            print myvar[3]
            print myvar[4]
            output.write(line.replace(myvar[4], myvar[3]))
        else:
            output.write(line)
    else:
        output.write(line)

    c = c + 1
output.close