#include <bits/stdc++.h>
using namespace std;
int main () {
    int N;
    cin >> N;
    vector<int> A(N);
    A[0] = 0;
    int now;
    cin >> now;
    for (int i = 1; i < N; i ++) {
        int nxt;
        cin >> nxt;
        A[i] = A[i - 1] + (now > nxt ? -1 : 1);
        now = nxt;
    }
    long long ans = 0;
    for (int i = 0; i < N - 1; i ++) {
        ans += max(A[i], A[i + 1]) - max(i, A[N - 1] - (N - i - 1));
    }
    cout << ans / 2 << endl;
}