def getChannelRating(views):
    ans = 0
    modd = 10 ** 9 + 7
    m = {}
    m[0] = 1
    p = 0
    pre = [0] * len(views)

    for i in range(len(views)):
        p ^= views[i]

        if i >= 2:
            ans += m.get(p, 0)
            ans %= modd

            if views[i] == 0:
                ans -= 1

            if views[i] == views[i - 1]:
                ans -= 1

            if ans < 0:
                ans += modd

        m[p] = m.get(p, 0) + 1
        pre[i] = p

    return ans