package com.javarush.task.task08.task0812;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
import java.util.LinkedList;
/*
Cамая длинная последовательность
*/
public class Solution {
public static void main(String[] args) throws IOException {
List<Integer> list = new ArrayList<>();
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
for (int i = 0; i < 10; i++) {
String s = br.readLine();
list.add(Integer.parseInt(s));
}
int count = 0;
int a = 0;
for (int i = 1; i < 10 ; i++) {
if(list.get(i).equals(list.get(i-1))) {
count = count + 1;
}
else{
if (a <= count) {
a = count;
count = 0;
}
}
}
if (a < count) {
a = count;
count = 0;
}
a = a + 1;
System.out.println(a);
}
}