import java.io.*;

public class Main {
	public static void main(String[] args) throws IOException
	{
		String str = "GeeksForGeeks";
		str = str.toLowerCase();
		char[] chars = str.toCharArray();

		int count = 0;

		for (int i = 0; i < str.length(); i++)
		{
			if (str.charAt(i) == 'a' || str.charAt(i) == 'e'
				|| str.charAt(i) == 'i'
				|| str.charAt(i) == 'o'
				|| str.charAt(i) == 'u')
			{
				count++;
			}
		}
		System.out.println("Total no of vowels in string are: " + count);
	}
}
