vasda

#include <iostream>
#include <fstream>
#include <string.h>
using namespace std;
ifstream fin("a.in");
struct nod
{
    char a;
    nod *next;
};
void addp(nod* & p,char val)
{
    nod *q;
    q=new nod;
    q->a=val;
    q->next=p;
    p=q;

}

void afis(nod *p)
{
    if(p==0)
        return;
    afis(p->next);
    cout<<p->a;

}
int main()
{
    char s[256];
    fin.getline(s,256);
    int i;
    nod *p;
    p=NULL;
    for(i=0;s[i];i++)
    {   if(strchr("aeiouAEIOU",s[i]))
        addp(p,s[i]);
        else

    }
    afis(p);



    return 0;
}