import java.util.*;
class CountVowel
{
  public static void main(String s[])
  {
      Scanner sc = new Scanner(System.in);
      int count = 0;
      char ch;
      System.out.println("Enter The String To Count No. Of Vowels :  ");
      String str = sc.nextLine();
      for(int i=0;i<str.length();i++)
      {
          ch = str.charAt(i);
          if((ch == 'a') || (ch == 'e') || (ch == 'i') || (ch == 'o') || (ch == 'u'))
          {
              count++;
          }
      }
      System.out.println("The no of vowels in given string is : " + count);
  }
}