#!/bin/python

import sys

def maxtransform(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(raw_input().strip())
    a = map(int, raw_input().strip().split(' '))
    result = sum(maxtransform(maxtransform(a)))%(10**9+7)
    print result