#!/bin/python3 import sys def S(A): B = [] for k in range(len(A)): for i in range(len(A)-k): B.append(max(A[i:i+k+1])) return B def solve(A): return sum(S(S(A))) % (10**9 + 7) if __name__ == "__main__": n = int(input().strip()) a = list(map(int, input().strip().split(' '))) result = solve(a) print(result)