#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  int arr[n];
  for (int i = 0; i < n; i++) {
    cin >> arr[i];
  }
  int co = 1;
  for (int i = 0; i + 1 < n; i++) {
    if (arr[i] > arr[i + 1]) {
      break;
    }
    co++;
  }
  cout << co << "\n";
}
