#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  int arr[n];
  int cnt[200] = {0};
  for (int i = 0; i < n; i++) {
    cin >> arr[i];
    cnt[arr[i]]++;
  }
  sort(cnt, cnt + 200);
  cout << cnt[199] << endl;
}
