#!/bin/python3

import sys

def maxTransform(A):
    B = list()
    for k in range(0,len(A)):
        for i in range(0,len(A)-k):
            B.append(max(A[i:i+k+1]))
    return B

def solve(A):
    #  Return the sum of S(S(A)) modulo 10^9+7.
    B = list()
    m = 1000000007
    B = maxTransform(maxTransform(A))
    S = sum(B)%m
    return S

if __name__ == "__main__":
    n = int(input().strip())
    A = list(map(int, input().strip().split(' ')))
    result = solve(A)
    print(result)