#!/bin/python3

import sys

def solve(A):
    #  Return the sum of S(S(A)) modulo 10^9+7.
    #tmp=[]
    B= list()
    for k in range(len(A)):
        for i in range(0,len(A)-k):
            j = i + k
            tmp = A[i:j+1]
            x = max(tmp)
            B.append(x)
            #print(B)
            sm = sum(B)
    return sm % 1000000007

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