#include <iostream>

using namespace std;

int main()
{
    int n, a, lenOfMax, count, previous;
    cin >> n;
    lenOfMax = 0;
    count = 0;
    previous = 0;
    for (int i = 0; i < n; i++)
    {
        cin >> a;
        if (a >= previous)
            count++;
        else
        {
            if (count > lenOfMax)
                lenOfMax = count;
            count = 1;
        }
        previous = a;

    }
    cout << lenOfMax << endl;
    return 0;
}