#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  int a[n];
  for (int i = 0; i < n; i++) cin >> a[i];
  int c = 1, max = 1;
  for (int i = 0; i < n - 1; i++) {
    if (a[i] <= a[i + 1])
      c++;
    else
      c = 1;
    if (c > max) max = c;
  }
  cout << max;
}
