ya = ''' Metrika counter '''

names = [name for name in os.listdir(os.getcwd()) if name[-3:] == "htm"]

for curr_name in names:
    print curr_name
    data = []
    with open(curr_name) as f:
        data = f.readlines()
    for i in xrange(len( data)):
        data[i] = data[i].replace("</body>", ya + "</body>")
    with open(curr_name, "w") as f:
        f.writelines(data)