#include <bits/stdc++.h>
#define MOD 1000000007
using namespace std;

vector<int> calc(vector<int>& A){
    vector<int> rv;
    for(int k=0;k<A.size();++k){
        for(int i =0; i< A.size()-k;++i){
            int mm = 0;
            for(int j = i; j<=i+k;++j)
                mm =max(mm, A[j]);
            rv.push_back(mm);
        }
    }
    
    return rv;
}

int solve(vector <int> A) {
    //  Return the sum of S(S(A)) modulo 10^9+7.
    vector<int> B = calc(A);
    B=calc(B);
    
    long long int rv = 0;
    for(auto a : B){
        rv = (rv+a)%MOD;
    }
    return rv;
}

int main() {
    int n;
    cin >> n;
    vector<int> A(n);
    for(int A_i = 0; A_i < n; A_i++){
       cin >> A[A_i];
    }
    int result = solve(A);
    cout << result << endl;
    return 0;
}