from collections import defaultdict mod = 10 ** 9 + 7 class FenwickTree(object): def __init__(self, n): self.n = n self.log = n.bit_length() self.data = [0] * n def __sum(self, r): s = 0 while r > 0: s += self.data[r - 1] s %= mod r -= r & -r return s def add(self, p, x): """ a[p] += xを行う""" p += 1 while p <= self.n: self.data[p - 1] += x self.data[p - 1] %= mod p += p & -p def sum(self, l, r): """a[l] + a[l+1] + .. + a[r-1]を返す""" return self.__sum(r) - self.__sum(l) def lower_bound(self, x): """a[0] + a[1] + .. a[i] >= x となる最小のiを返す""" if x <= 0: return -1 i = 0 k = 1 << self.log while k: if i + k <= self.n and self.data[i + k - 1] < x: x -= self.data[i + k - 1] i += k k >>= 1 return i def __repr__(self): res = [self.sum(i, i+1) for i in range(self.n)] return " ".join(map(str, res)) N = int(input()) A = list(map(int, input().split())) B = sorted(set(A)) d = defaultdict(list) for i, a in enumerate(A): d[a].append(i) two = [1] * N for i in range(1, N): two[i] = two[i-1] * 2 % mod rev = two[:][::-1] ans = 0 L = FenwickTree(N) R = FenwickTree(N) for a in B: for i in d[a]: ans += L.sum(0, i) * R.sum(i, N) ans %= mod for i in d[a]: L.add(i, two[i]) R.add(i, rev[i]) L = FenwickTree(N) R = FenwickTree(N) for a in B[::-1]: for i in d[a]: ans += L.sum(0, i) * R.sum(i, N) ans %= mod for i in d[a]: L.add(i, two[i]) R.add(i, rev[i]) print(ans)