#include<iostream>
using namespace std;
int main ()
{
    int n,a[500000],d,max=0,maxi;
    cin>>n;
    for (int i=0;i<n;i++)
    {
        cin>>d;
        a[d]++;
        if (a[d]>max)
        {
            max=a[d];
            maxi=d;
        }
    }
    cout<<maxi;
    return 0;
}

0 ≤ K ≤ 10^9

Edited by author 20.05.2014 20:54