12213

#include<bits/stdc++.h>
using namespace std;
int a[1000010], n, cnt = 1, maxn;
int main() {
cin >> n;
for (int i = 1; i <= n; i++) {
cin >> a[i];
if (a[i] == a[i - 1]) {
cnt++;
if (cnt > maxn)maxn = cnt;
} else
cnt = 1 ;
}
cout << maxn << endl;
return 0;
}