class segtree(): def __init__(self,init,func,ide): self.n=len(init) self.func=func self.ide=ide self.size=1<<(self.n-1).bit_length() self.tree=[self.ide for i in range(2*self.size)] for i in range(self.n): self.tree[self.size+i]=init[i] for i in range(self.size-1,0,-1): self.tree[i]=self.func(self.tree[2*i], self.tree[2*i|1]) def update(self,k,x): k+=self.size self.tree[k]=x k>>=1 while k: self.tree[k]=self.func(self.tree[2*k],self.tree[k*2|1]) k>>=1 def get(self,i): return self.tree[i+self.size] def query(self,l,r): l+=self.size r+=self.size l_res=self.ide r_res=self.ide while l>=1 r>>=1 return self.func(l_res,r_res) def debug(self,s=10): print([self.get(i) for i in range(min(self.n,s))]) mod=10**9+7 from collections import defaultdict pow2=[1] for i in range(10**5+10): pow2.append(pow2[-1]*2%mod) n=int(input()) a=list(map(int,input().split())) def calc(b): s=set() d=defaultdict(list) for i in range(n): s.add(b[i]) d[b[i]].append(i) s=list(s) s.sort() segL=segtree([0]*n,lambda x,y:x+y,0) segR=segtree([0]*n,lambda x,y:x+y,0) ans=0 for i in s: for j in d[i]: ans+=segL.query(0,j)*segR.query(j,n) ans%=mod for j in d[i]: segL.update(j,pow2[j]) segR.update(j,pow2[n-1-j]) return ans ans1=calc(a) ans2=calc([-i for i in a]) print((ans1+ans2)%mod)