Caractere Fisa 4

#include <iostream>
#include <string.h>

using namespace std;

int main()
{
    int ok=0,i;
    char s[40];
    cin>>s;
    for(i=0;i<strlen(s);i++)
        if(strchr("aeiou",s[i]))
        {
            cout<<s[i]<<" ";
            ok=1;
        }
    if(ok==0)
        cout<<"FARA VOCALE";
    return 0;
}