#include <bits/stdc++.h>   using namespace std;   int main(void) {     int n, max = 0;     string a[100];     cin >> n;     for (int i = 0; i < n; i++) cin >> a[i];     for (int i = 0; i < n; i++) {       int count = 0;       for (int j = 0; j < n; j++) {         if (i != j) {           if (a[i].compare(a[j]) == 0) count++;         }       }       if (count > max) max = count;     }     cout << max + 1;     return 0;   }   