def autok(db):
    dab = 0
    lista = []
    for i in range(db):
        a = input("Auto: ")
        ls = a.split(",")
        lista.append(ls)
    for i in lista:
        szin = i[0]
        gyev = int(i[1])
        if i[0] == "kek":
            dab += gyev
            atlag = dab / db
    return atlag
print(autok(3))