#!/bin/python3

import sys

def maxTrans(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]))
    return B
            

def solve(A):
    #  Return the sum of S(S(A)) modulo 10^9+7.
    maxer=(10**9)+7
    runTal=0
    S1=maxTrans(A)
    S2=maxTrans(S1)
    for i in S2:
        runTal+=i
        runTal=runTal%maxer
    result=runTal
    return(result)

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