import java.util.Scanner;
public class Main{
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
String vowelStrs = "AEIOU";//大写元音组
while(scan.hasNextLine()) {
String str = scan.nextLine();
if(vowelStrs.contains(str.toUpperCase())) {//将输入字符大写后与大写元音组进行匹配
System.out.println("Vowel");
} else {
System.out.println("Consonant");
}
}
}
}