#include <fstream>
#include <cstdlib>
using namespace std;

ifstream cin("elmaj.in");
ofstream cout("elmaj.out");

long long int n,i,nr,j,k,k1,b[100000],v[100000000];

int main()
{
    cin>>n;
    for(i=1;i<=n;i++)
    cin>>v[i];

  /*  for(i=1;i<=n;i++)
    {
        nr=0;
        for(j=1;j<=n;j++)
        {
            if(v[j]==v[i])
            nr++;
        }
        if(nr>n/2)
        {cout<<v[i]<<' '<<nr;
        break;
        }
    }
    if(nr<n/2 || nr==n/2)
        cout<<-1;
        */
    for (int i = 1; i <=n; i++)
    {
        b[v[i]]++;
    }
    for (int i = 1; i <=n; i++) {
         if (b[i] > n/2)
             cout<<i;
    }
    return 0;
}