import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;


public class Solution {

    static int solve(int[] A) {
        List<Integer> list = new ArrayList<Integer>();
        Integer sum = 0;
        Integer mod = 1000000007;
        for(int i=0;i<A.length;i++)
            list.add(A[i]);
        list = createList((ArrayList<Integer>) list);
        list = createList((ArrayList<Integer>) list);
        for(int i=0;i<list.size();i++){
            sum+=(list.get(i)%mod);
        }
        return sum;
    }

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        int[] a = new int[n];
        for(int a_i = 0; a_i < n; a_i++){
            a[a_i] = in.nextInt();
        }
        int result = solve(a);
        System.out.println(result);
        in.close();
    }

    private static ArrayList<Integer> createList(ArrayList<Integer> B) {
        List<Integer> list = new ArrayList<Integer>();
        for(int k=0;k<B.size();k++){
            for(int i=0;i<B.size()-k;i++){
                List<Integer> partList = new ArrayList<Integer>();
                int j=i+k;
                for(int z=i;z<=j;z++){
                    partList.add(B.get(z));
                }
                list.add(Collections.max(partList));
            }
        }
        return (ArrayList<Integer>) list;
    }
}