#include<iostream>
using namespace std;
const int N=1E7;
int main()
{
    int n,a[N],cnt=0,maxx=-10000;
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>a[i];
	}
	for(int i=1;i<=n;i++){
	if(a[i+1]==a[i]){
		cnt++;
		if(cnt>maxx) maxx=cnt;
	}
	else cnt=1;
	}	
	cout<<maxx;
	return 0;	
}