#!/bin/python3

import sys

def solve(A):
    def max_trans(A_):
        B = []
        for k in range(0, len(A_)):
            for i in range(0, len(A_)-k):
                B.append(max(A_[i:(i+k+1)]))
        return B
    
    return sum(max_trans(max_trans(A))) % 1000000007

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