#include <iostream>
#include <cstring>
using namespace std;
int main()
{
    char s[256];
            cin.getline(s, 256);
            char * p = strtok(s , " ");
            while(p) { bool ok = true;
                      for(int i = 0 ; p[i] ; i ++)
                          if( ! strchr("aeiou" , p[i]) )
                          ok = false; if(ok)
                          cout << p << endl;
                          p = strtok( NULL , " ");
                     }
            return 0;
           }