#include<bits/stdc++.h>
using namespace std;
const int N=1e5+5;
int n,a[N],b[35],ans;
int main(){
	freopen("bzoj_4300.in","r",stdin);
	freopen("bzoj_4300.out","w",stdout);
	scanf("%d",&n);
	for(int i = 1;i<=n;i++){
		scanf("%d",&a[i]);
		int maxx=0;
		for(int k = 0;k<=32;k++){
			if((a[i]>>k)&1) maxx=max(maxx,b[k]);
		}
		for(int k = 0;k<=32;k++){
			if((a[i]>>k)&1) b[k]=max(b[k],maxx+1);
		}
	}
	for(int i = 0;i<=32;i++) ans=max(ans,b[i]);
	printf("%d",ans);
	return 0;
}