#include <iostream>
#include <cstring>
using namespace std;
int main(){
char s1[101], s2[201], t, vocale[]="aeiou";
cin.get(s1, 100);
int i, n = strlen(s1), k=0;
for(i=0;i<n;i++){
s2[k] = s1[i];
k++;
t=tolower(s1[i]);
if(t=='a' || t=='e' || t=='i' || t=='o' || t=='u'){
s2[k] = '*';
k++;
}
}
if(k==n) cout<<"Nu exista vocale";
else cout<<s2;
}