public class Solution {
    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        ArrayList<Integer> list = new ArrayList<>();
        for (int i = 0; i < 10; i++) {
            list.add(Integer.parseInt(reader.readLine()));
        }

        int firstElement = list.get(0);
        int streak = 1;
        int maxStreak = -1;

        for (int i = 1; i < list.size(); i++) {
            if (list.get(i) == firstElement) {
                streak++;
            }
            else firstElement = list.get(i);
            maxStreak = streak;
        }
        System.out.println(maxStreak);
    }
}