Cumparaturi2

#include <iostream>
using namespace std;

int main()
{
    int s,d,r,m;
    cin>>s>>d>>r>>m;
    if(s>=d)
        cout<<"drona";
    else
        if(s>=r)
            cout<<"robot";
        else
            if(s>=m)
                cout<<"masina";
            else
                cout<<"nimic";
    return 0;
}