#include <iostream>
using namespace std;
int main()
{
string a[3];
string ss;
for(int i=0;i<3;i++) cin >> a[i],ss+=a[i][0];
if(ss=="vac") cout<<"aguia";
if(ss=="vao") cout<<"pomba";
if(ss=="vmo") cout<<"homem";
if(ss=="vmh") cout<<"vaca";
if(ss=="iih") // 情况特殊
{
if(a[2] == "hematofago") cout<<"pulga";
else cout<<"lagarta";
}
if(ss=="iah") cout<<"sanguessuga";
if(ss=="iao") cout<<"minhoca";
}