#!/bin/python3 import sys def solve(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 if __name__ == "__main__": m = 10**9 + 7 n = int(input().strip()) A = list(map(int, input().strip().split(' '))) result = solve(A) result = solve(result) print(sum(result)%m)