#include <bits/stdc++.h>
using namespace std;
int main()
{
    int n, m = 0, e = 0;
    cin >> n;
    string ch;
    cin>>ch;
    for (int i = 0; i < n; i++)
    {
        if (ch[i] == 'M')
        {
            m++;
        }
        else if (ch[i] == 'E')
        {
            e++;
        }
    }
    if (m > e)
    {
        cout << "Mahfuz" << endl;
    }
    else if (e > m)
    {
        cout << "Emon" << endl;
    }
    else
    {
        cout << "IDK" << endl;
    }
    return 0;
}