#include <iostream>
using namespace std;

int main() {
    int n;
    int prev, current, count = 1, max_count = 1;
    cin >> prev;
    
    while (cin >> current) {
        if (current == prev) {
            count++;
        } else {
            max_count = max(max_count, count);
            count = 1;
        }
        prev = current;
    }

    max_count = max(max_count, count);
    cout << max_count << endl;
    return 0;
}