#!/bin/python3

import sys

def solve(A):
    x=10**9+7
    B=[]
    for k in range(len(A)):
        for i in range(len(A)-k):
            j=i+k
            B.append(max(A[i:j+1]))
    C=[]
    for k in range(len(B)):
        for i in range(len(B)-k):
            j=i+k
            C.append(max(B[i:j+1]))
    sum=0
    for i in C:
        sum=(sum+i)%x
    return sum
        
if __name__ == "__main__":
    n = int(input().strip())
    A = list(map(int, input().strip().split(' ')))
    result = solve(A)
    print(result)