#include <bits/stdc++.h>   using namespace std;   struct male {     const string adjective =  lios ;     const string noun =  etr ;     const string verb =  initis ;   };   struct female {     const string adjective =  liala ;     const string noun =  etra ;     const string verb =  inites ;   };   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     cout.tie(NULL);     string s, t;     male m;     female f;     getline(cin, s);     s.push_back(   );     int n = s.size();     vector<string> v;     for (int i = 0; i < n; i++) {       if (s[i] ==    ) {         v.emplace_back(t);         t.clear();       } else {         t += s[i];       }     }     if (v.size() == 1) {       if (v[0].size() >= m.adjective.size() and           v[0].substr(v[0].size() - m.adjective.size()) == m.adjective) {         cout <<  YES n ;         return 0;       }       if (v[0].size() >= f.adjective.size() and           v[0].substr(v[0].size() - f.adjective.size()) == f.adjective) {         cout <<  YES n ;         return 0;       }       if (v[0].size() >= m.noun.size() and           v[0].substr(v[0].size() - m.noun.size()) == m.noun) {         cout <<  YES n ;         return 0;       }       if (v[0].size() >= f.noun.size() and           v[0].substr(v[0].size() - f.noun.size()) == f.noun) {         cout <<  YES n ;         return 0;       }       if (v[0].size() >= m.verb.size() and           v[0].substr(v[0].size() - m.verb.size()) == m.verb) {         cout <<  YES n ;         return 0;       }       if (v[0].size() >= f.verb.size() and           v[0].substr(v[0].size() - f.verb.size()) == f.verb) {         cout <<  YES n ;         return 0;       }       cout <<  NO n ;       return 0;     } else {       int nmi = -1, nfi = -1;       for (int i = 0; i < v.size(); i++) {         if (v[i].size() < m.noun.size() and v[i].size() < f.noun.size()) continue;         if (v[i].substr(v[i].size() - m.noun.size()) == m.noun) {           nmi = i;           break;         }         if (v[i].substr(v[i].size() - f.noun.size()) == f.noun) {           nfi = i;           break;         }       }       if (nmi < 0 and nfi < 0) {         cout <<  NO n ;         return 0;       }       if (nmi >= 0) {         bool fg = true;         for (int i = 0; i < nmi; i++) {           fg &= (v[i].size() >= m.adjective.size());           if (!fg) {             break;           }           fg &= (v[i].substr(v[i].size() - m.adjective.size(),                              m.adjective.size()) == m.adjective);           if (!fg) {             break;           }         }         for (int i = (nmi + 1); i < v.size(); i++) {           fg &= (v[i].size() >= m.verb.size());           if (!fg) {             break;           }           fg &=               (v[i].substr(v[i].size() - m.verb.size(), m.verb.size()) == m.verb);           if (!fg) {             break;           }         }         cout << (fg ?  YES n  :  NO n );         return 0;       }       if (nfi >= 0) {         bool fg = true;         for (int i = 0; i < nfi; i++) {           fg &= (v[i].size() >= f.adjective.size());           if (!fg) {             break;           }           fg &= (v[i].substr(v[i].size() - f.adjective.size(),                              f.adjective.size()) == f.adjective);           if (!fg) {             break;           }         }         for (int i = (nfi + 1); i < v.size(); i++) {           fg &= (v[i].size() >= f.verb.size());           if (!fg) {             break;           }           fg &=               (v[i].substr(v[i].size() - f.verb.size(), f.verb.size()) == f.verb);           if (!fg) {             break;           }         }         cout << (fg ?  YES n  :  NO n );         return 0;       }     }   }