#include <iostream>
using namespace std;
void main()
{
	int sz[1001];
	int n,i;
	cin>>n;
	for (i=1;i<=n;i++) cin>>sz[i];
	sz[0]=INT_MAX;
	int maxLen[1001];
	maxLen[1]=1;
	int j;
	for (i=2;i<=n;i++)
	{
		j=i-1;
		while (sz[j]>=sz[i]) j--;
		if (j==0) maxLen[i]=1;
		else maxLen[i]=maxLen[j]+1;
	}
	int max=1;
	for (i=2;i<=n;i++)
	{
		if (max<maxLen[i])
			max=maxLen[i];
	}
	cout<<max<<endl;
}