#include <iostream>
using namespace std;

int main()
{
    int n, m, v[101][101];

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

    int fr[1000001] = {0}, maxfr = -1;
    for (int i = 1; i <= n; ++i)
    {
        for (int j = 1; j <= m; ++j)
        {
            fr[v[i][j]]++;
            if (fr[v[i][j]] > maxfr)
                maxfr = fr[v[i][j]];
        }
    }

    int w[1000001] = {0}, k = 0;
    for (int i = 1; i <= n; ++i)
    {
        for (int j = 1; j <= m; ++j)
        {
            if (fr[v[i][j]] == maxfr)
            {
                w[++k] = v[i][j];
            }
        }
    }

    int dontstop = 1;
    while (dontstop)
    {
        int stop = 1;
        for (int i = 1; i < k; ++i)
        {
            if (w[i] > w[i + 1])
            {
                int aux = w[i];
                w[i] = w[i + 1];
                w[i + 1] = aux;

                stop = 0;
            }
        }

        if (stop == 1)
            dontstop = 0;
    }

    for (int i = 1; i < k; ++i)
        if (w[i] != w[i + 1])
            cout << w[i] << " ";
    cout << w[k];
}