903C.cpp

#include<bits/stdc++.h>
using namespace std;


#define ll long long
#define endl "\n"
#define debug(n) cout<<(n)<<endl;
const ll INF = 2e18 + 99;

int main(){
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);

  ll n;
  cin>>n;
  unordered_map<ll, ll> mp;
  ll x;
  ll ans = -1;
  while(n--){
    cin>>x;
    mp[x]++;
    ans = max(ans, mp[x]);
  }
  cout<<ans<<endl;

}