#!/bin/python import sys def S(A): B = [] for k in xrange(len(A)): for i in xrange(len(A)-k): B.append(max(A[i:i+k+1])) return B def solve(A): return sum(S(S(A))) % (10**9+7) if __name__ == "__main__": n = int(raw_input().strip()) A = map(int, raw_input().strip().split(' ')) result = solve(A) print result