n = int(input()) A = list(map(int, input().split())) mod = 10**9+7 d = {} B = list(set(A)) B.sort() for i, b in enumerate(B): d[b] = i+1 A = [d[a] for a in A] class SegTree: def __init__(self, init_val, ide_ele, segfunc): self.n = len(init_val) self.num = 2**(self.n-1).bit_length() self.ide_ele = ide_ele self.segfunc = segfunc self.seg = [ide_ele]*2*self.num # set_val for i in range(self.n): self.seg[i+self.num] = init_val[i] # built for i in range(self.num-1, 0, -1): self.seg[i] = self.segfunc(self.seg[2*i], self.seg[2*i+1]) def update(self, k, x): k += self.num self.seg[k] = x while k: k = k >> 1 self.seg[k] = self.segfunc(self.seg[2*k], self.seg[2*k+1]) def query(self, l, r): if r <= l: return self.ide_ele l += self.num r += self.num lres = self.ide_ele rres = self.ide_ele while l < r: if r & 1: r -= 1 rres = self.segfunc(self.seg[r], rres) if l & 1: lres = self.segfunc(lres, self.seg[l]) l += 1 l = l >> 1 r = r >> 1 res = self.segfunc(lres, rres) return res def segfunc(x, y): if x[0] == y[0]: return (x[0], x[1]+y[1]) elif x[0] > y[0]: return x else: return y seg = SegTree([(-1, 0)]*(n+1), (-1, 0), segfunc) seg.update(0, (0, 1)) for a in A: x = seg.query(a, a+1) y = seg.query(0, a) if y[0] < x[0]: seg.update(a, (x[0], y[1]+x[1])) else: seg.update(a, (y[0]+1, y[1])) ans = seg.query(0, n+1) print(ans[1]%mod)