#!/bin/python3

import sys

def solve(A):
    b = []
    for k in range(len(A)):
        for i in range(len(A)-k):
            j = i+k
            b.append(max(A[i:j+1]))     

    return b       

if __name__ == "__main__":
    n = int(input().strip())
    a = list(map(int, input().strip().split(' ')))
    a1 = solve(a)
    result = solve(a1)
    print(sum(result)%(10**9+7))