# Enter your code here. Read input from STDIN. Print output to STDOUT
n = int(input())
A = list(map(int, input().split()))

def max_trans(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

print(sum(max_trans(max_trans(A))) % (10**9 + 7))