#include<iostream>
using namespace std;

int main() {
	int n;
	int max = 0;
	int temp = 1;
	cin >> n;
	int cur, pre = 0;
	for (int i = 0; i < n; i++) {
		cin >> cur;
		if (cur >= pre) {
			temp++;
		}
		else if(cur < pre && max < temp) {
			max = temp;
		}
		if (cur < pre) {
			temp = 1;
		}
		pre = cur;
	}
	cout << max << endl;
	return 0;
}