#include<iostream>
#include<fstream>
#include<algorithm>
using namespace std;
fstream fin("elmaj.in",ios::in),
        fout("elmaj.out",ios::out);
int v[1000000];
int main()
{
    int n,j,apare=1,p,nr=0,i;
    fin>>n;
    for(i=1;i<=n;i++)
    {
        fin>>v[i];
    }
    for(i=1;i<=n;i++)
    {
        if(v[i]==v[i+1])
        {
            apare++;
        }
        else
        {
            if(apare>0)
            {
                apare--;
            }
            else
            {
                if(apare<1)
                {
                    v[i]=v[i+1];
                    apare=1;
                }
            }
        }
    }
    apare=0;
    for(j=1;j<=n;j++)
    {
        if(v[j]==v[i])
        {
            apare++;
        }
    }
    if(apare==n/2)
    {
        fout<<v[j];
    }

    fin.close();
    fout.close();
}