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// clang-format off
#include<bits/stdc++.h>
using namespace std;
using LL=long long;
#define FOR(i,l,r) for(auto i=(l);i<=(r);++i)
#define REP(i,n) FOR(i,0,(n)-1)
#define ssize(x) int(x.size())
template<class A,class B>auto&operator<<(ostream&o,pair<A,B>p){return o<<"("<<p.first<<", "<<p.second<<")";}
template<class T>auto operator<<(ostream&o,T x)->decltype(x.end(),o){o<<"{";int i=0;for(auto e:x)o<<(", ")+2*!i++<<e;return o<<"}";}
#ifdef DEBUG
#define debug(x...) cerr<<"["#x"]: ",[](auto...$){((cerr<<$<<"; "),...);}(x),cerr<<'\n'
#else
#define debug(...) {}
#endif
// clang-format on

int
main()
{
    cin.tie(0)->sync_with_stdio(0);
    int nels, nprovided = 0;
    cin >> nels;
    vector<int> cnt(nels);
    REP (i, nels) {
        int x;
        cin >> x;
        cnt[x - 1]++;
    }
    sort(cnt.begin(), cnt.end(), greater<int>());
    REP (ans, nels) {
        nprovided += cnt[ans] * 2 - 1;
        if (nprovided < nels) continue;
        cout << ans + 1 << "\n";
        break;
    }

#ifdef LOCAL
    system("grep VmPeak /proc/$PPID/status >&2");
#endif
    return 0;
}