--完成語言 JAVA

import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;
import java.io.*;
public class main {

	public static void main(String[] args) {
		Set a = new HashSet();
		Set e = new HashSet();
		Set i = new HashSet();
		Set o = new HashSet();
		Set u = new HashSet();
		int num_a=0;
		int num_e=0;
		int num_i=0;
		int num_o=0;
		int num_u=0;
		a.add('a');
		a.add('A');
		e.add('e');
		e.add('E');
		i.add('i');
		i.add('I');
		o.add('o');
		o.add('O');
		u.add('u');
		u.add('U');
		Scanner scan = new Scanner(System.in);
		String s = scan.nextLine();
		for(int j=0;j<s.length();j++) {
			if(a.contains(s.charAt(j))) {
				num_a++;
			}
			if(e.contains(s.charAt(j))) {
				num_e++;
			}
			if(i.contains(s.charAt(j))) {
				num_i++;
			}
			if(o.contains(s.charAt(j))) {
				num_o++;
			}
			if(u.contains(s.charAt(j))) {
				num_u++;
			}
		}
		System.out.println("NUM_A "+num_a);
		System.out.println("NUM_E "+num_e);
		System.out.println("NUM_I "+num_i);
		System.out.println("NUM_O "+num_o);
		System.out.println("NUM_U "+num_u);
		
	}

}