import sys

try:
    d = open("test.html")
except:
    print("ERRO")
    sys.exit(0)

zeile = d.readline()
ende = '<div id="tankstelle-preis">'
i = 0

while zeile != ende:
    zeile = d.readline()
    print(zeile)
    print("next")
    print(i)
    i = i +1

print(d.readline())
print(d.readline())
print("fertig")