#include<iostream>
#include<cstdio>
#include<cmath>
using namespace std;
int main ()
{
    string a,b,c;
    cin>>a>>b>>c;
    if(a=="vertebrado")
    {
        if(b=="ave")
        {
            if(c=="onivoro") cout<<"pomba";
            else cout<<"aguia";
        }
        else
        if(c=="onivoro") cout<<"homem";
        else cout<<"vaca";
    }
    else
    {
        if (b=="inseto")
        {
            if(c=="herbivoro") cout<<"lagarta";
            else cout<<"pulga";
        }
        else
        if(c=="onivoro") cout<<"minhoca";
        else cout<<"sanguessuga";
    }
    return 0;
}