#include <iostream>
#include <fstream>
#include <climits>

using namespace std;

int n, sir[200000],d[1000000],maxim=0;
ifstream f("scmax.in");
ofstream g("scmax.out");

int main()
{
    f>>n;
    for(int i=1; i<=n; i++)
        f>>sir[i];
    d[1]=1;
    d[0]=1;
    sir[0]=INT_MAX;
    for(int i=2,j; i<=n; i++)
    {
        j=i;
        while(sir[i]<=sir[j])
        {
            j--;
        }
        if(j==0)
            d[i]=1;
        else
        {
            d[i]=d[j]+1;
        }

        maxim=max(d[i],maxim);
    }
    g<<maxim<<endl;
    return 0;
}