/*
Problem: 2606  User: jibee 
Memory: N/A  Time: N/A 
Language: C++  Result: Wrong Answer 
*/
#include <iostream>
#include <vector>
using namespace std;

const int MAX = 210;
int theX[MAX];
int theY[MAX];

struct Line{
       Line( int x1v, int y1v, int x2v, int y2v, int numVal = 2 )
         :   x1( x1v ),
             y1( y1v ),
             x2( x2v ),
             y2 ( y2v ),
             num( numVal )
             {}
       bool lie( int x, int y ){
            return ( x1 - x ) * ( y -y2 ) - ( x - x2 ) * ( y1 - y ) == 0;
       }
       int x1;
       int y1;
       int x2;
       int y2;
       int num;
};

int main(){
    int num;
    cin >> num;
    int x,y;
    vector<Line> vl;
    
    vector<Line>::iterator iter;
    for ( int k = 0; k < num; k++ ){
        cin >> theX[k] >> theY[k];
        for( iter = vl.begin(); iter != vl.end(); iter ++ ){
             if( iter -> lie( theX[k],theY[k] )){
                 iter -> num ++;
                  break;
             }
        }
        if( iter == vl.end() ){
            for( int j = 0; j < k; j ++ ){
               Line l ( theX[j], theY[j], theX[k], theY[k] );  
               vl.push_back( l );
            }
        }
    }
    
    int m = 0;
    for( iter = vl.begin(); iter != vl.end(); iter ++ )
         if ( iter -> num > m ) m = iter -> num;
         
    cout << m;
    return 0;
}