//#include <iostream>
#include <fstream>
using namespace std;
ifstream cin("scmax.in");
ofstream cout("scmax.out");
int main()
{
    int a[100001],aprim[100001],lungcurent=0,lungmax=-1;
    int n;
    cin>>n;
    for(int i=1;i<=n;i++)
        cin>>a[i];
    for(int i=2;i<=n;i++)
    {
        if(a[i-1]<=a[i])
            lungcurent++;
        if(lungcurent>lungmax)
            lungmax=lungcurent;



    }
    cout<<lungmax;
}