#include<bits/stdc++.h>
using namespace std;
int n, a[20001],ans[20002]={0},b[20001],k=0,maxn=-3;
int main() {
	cin >> n;
	for (int i = 1; i <= n; i++) {
		cin >> a[i];
	}
	for (int i = 1; i <= n; i++) {
		if(b[k]!=a[i]){
            b[k+1]=a[i];
            k++;
        }
        else{
            ans[k]++;
        }
	}
    for (int i = 0; i <=k; i++) {
		if (ans[i] >= maxn) {
			maxn = ans[i];
		}
    }
    cout<<maxn+1;
	return 0;
}