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

#define ll long long
#define pb push_back
#define all(x) x.begin(),x.end()
#define FastIO ios::sync_with_stdio(0);cin.tie(0); cout.tie(0);

const ll N= 1e5+5;
ll cnt[N],ans;

int main(){
   FastIO;
   
   int Test=1;
   //cin>>Test;
   while(Test--){
       ll n; cin>>n;
       for(ll i=0;i<n;i++){
        ll a; cin>>a;
        cnt[a]++;
        ans=max(ans,cnt[a]);
       }
       ans=max(ans,(n+1)/2);

       cout<<ans<<endl;

       
   }
   return 0;
}
/*

*/