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

}