def solve(A):
    #  Return the sum of S(S(A)) modulo 10^9+7.
    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(' ')))
    '''result ='''
    C = solve(A)
    D = solve(C)
    print(sum(D)%((10*9)+7))