#include <iostream>
#include <fstream>
#include <cstring>
using namespace std;
ifstream in("problema25.in");

bool verifica(char c[]){
    char consoane[]="bcdfghjklmnpqrstvwxyzBCDFGHJKLMNPQRSTVWXYZ";
    if(strchr(consoane,c[0])&&strchr(consoane,c[strlen(c)-1]))
        return 1;
    return 0;
}

int main()
{
    char c[50];
    while(in>>c){
        if(verifica(c)){
            cout<<c<<'\n';
        }
    }
    return 0;
}