#include <iostream>
#include <cstring>
using namespace std;
char s[256],*p,v[]="aeiou";
int main()
{
    cin.getline(s,256);
    p=strtok(s," ");
    while(p)
    {
        if(strchr(v,p[0])!=NULL)
           if(strchr(v,p[strlen(p)-1])!=NULL)
            cout << p << " ";
        p=strtok(NULL," ");
    }
    return 0;
}