#!/bin/python

import sys

def solve(A):
    B = []
    for k in range(0, len(A)):
        for i in range(0, len(A) - k):
            j = i + k
            B.append(max(A[i:j+1]))
    C = []
    for k in range(0, len(B)):
        for i in range(0, len(B) - k):
            j = i + k
            C.append(max(B[i:j+1]))
    sum = 0
    for i in C:
        sum += i
    return sum % (10 ** 9 + 7)

if __name__ == "__main__":
    n = int(raw_input().strip())
    a = map(int, raw_input().strip().split(' '))
    result = solve(a)
    print result