#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
using namespace std;

typedef long long ll;

int main() {
    int N;
    cin >> N;
    vector<int> A(N);
    rep(i, N) cin >> A[i];
    int ans = N, s = 1;
    rep(i, N - 1) {
        if (A[i + 1] < A[i]) {
            s++;
        } else {
            ans -= s / 2;
            s = 1;
        }
    }
    ans -= s / 2;
    cout << ans << "\n";
}