def maxim(arr):
    b=[]
    for k in range(0,len(arr)):
        queues=[]
        for i in range(0,len(arr)-k):
            j=i+k
            b.append(max(arr[i:j+1]))
    return b

if __name__ == "__main__":
    n = int(input().strip())
    a = list(map(int, input().strip().split(' ')))
    result = sum(maxim(maxim(a)))%(1000000007)
    print(result)