©TCP-tryJAVA

enum Rainbow {
	RED(3), ORANGE(10), YELLOW(21), GREEN(5), BLUE(1), INDIGO(-1), VIOLET(-11);
	
	private final int value;
	Rainbow(int value) { this.value = value; }
	public int getValue() { return value; }
}

public class prog {
	public static void main(String[] args) {
		System.out.println(Rainbow.YELLOW.ordinal());
	}
}