package com.codegym.task.task08.task0812;
import java.io.*;
import java.util.ArrayList;
import java.lang.*;
/*
Longest sequence
*/
public class Solution {
public static void main(String[] args) throws IOException {
//write your code here
int i=0, j, max=0;
ArrayList<Integer> list= new ArrayList<Integer>() ;
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
for(int a=0;a<10;a++){
String sNumber = reader.readLine();
int number = Integer.parseInt(sNumber);
list.add(number);
}
int count=1;
while(i<list.size()){
j= i+1;
if(list.get(i) == list.get(j)){
count = 1;
while(list.get(i) == list.get(j)){
j++;
count++;
}
}
if(max < count){
max = count;
}
i = j;
if(i==9) break;
}
System.out.println(max);
}
}