/**
 *   @FileName	a.cpp
 *   @Author	kanpurin
 *   @Created	2021.03.28 13:58:03
**/

#include "bits/stdc++.h" 
using namespace std; 
typedef long long ll;

int main() {
    int n;cin >> n;
    vector<int> a(n);
    int len = 1;
    cin >> a[0];
    int ans = 0;
    for (int i = 1; i < n; i++) {
        cin >> a[i];
        if (a[i-1] < a[i]) {
            ans += (len+1)/2;
            len = 1;
        }
        else {
            len++;
        }
    }
    ans += (len+1)/2;
    cout << ans << endl;
    return 0;
}