pb 44

#include <iostream>
using namespace std;

int main()
{
    int n, ap[1000], maxiNr = 0, v[1000];
    cin >> n;
    for (int i = 0; i < n; i++)
    {
        cin >> v[i];
        if (maxiNr < v[i])
            maxiNr = v[i];
    }
    for (int i = 0; i <= maxiNr + 1; i++)
        ap[i] = 0;
    for (int i = 0; i < n; i++)
        ap[v[i]]++;

    int maxi = 0;
    for (int i = 0; i < n; i++)
        if (maxi < ap[i])
            maxi = ap[i];
    for (int i = 0; i <= maxiNr + 1; i++)
        if (ap[i] == maxi)
            cout << i << ' ';
    return 0;
}