#include <iostream>
using namespace std;

int main() {
    string a, b, c;
    cin >> a >> b >> c;

    if (a == "vertebrado") {
        if (b == "ave") {
            if (c == "carnivoro")
                cout << "aguia" << endl;
            else
                cout << "pomba" << endl;
        }
        else { 
            if (c == "onivoro")
                cout << "homem" << endl;
            else
                cout << "vaca" << endl;
        }
    }
    else { 
        if (b == "inseto") {
            if (c == "hematofago")
                cout << "pulga" << endl;
            else
                cout << "lagarta" << endl;
        }
        else { 
            if (c == "hematofago")
                cout << "sanguessuga" << endl;
            else
                cout << "minhoca" << endl;
        }
    }

    return 0;
}