def mt(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
def solve(A):
    A = mt(A)
    A = mt(A)
    return(sum(A)%(7 + 10**9))

n = int(input().strip())
A = list(map(int, input().strip().split(' ')))
result = solve(A)
print(result)