#include <iostream>
#include <string>
using namespace std;
int nrvocale(char *a){
char t;
int c=0;
for(int i=0;i<sizeof(a);i++){
t=a[i];
if(t=='a'||t=='e'||t=='i'||t=='o'||t=='u'||t=='A'||t=='E'||t=='I'||t=='O'||t=='U'){
c++;
}
}
return c;
}
int main(){
char a[]="abcdef";
cout<<nrvocale(a);
}
