#include<bits/stdc++.h>

using namespace std;

#define ll long long
#define all(a) a.begin(),a.end()
#define endl '\n'

int main()
{
    ios::sync_with_stdio(0); cin.tie(0);
   string s;
   cin>>s;
   char x=s[s.size()-1];
   if(x=='M')cout<<"Mahfuz\n";
   else if(x=='E')cout<<"Emon\n";
   else cout<<"IDK\n";
        
}