#include <iostream>
#include <cstring>
#include <fstream>
using namespace std;
char s[301];
bool vocala(char c)
{
    return c=='a' || c=='e' || c=='i'|| c=='o'||c=='u';
}

bool testvoc(char s[])
{
   for(int i=0; s[i];i++)
        if(vocala(s[i])==0) return 0;
   return 1;
}
void Citire()
{
    //ifstream cin("date.in");
   while(cin>>s)
   {
       if(testvoc(s)) cout<<s<<'\n';
   }
}

int main()
{
   Citire();
    return 0;
}