import java.util.*;
import java.lang.*;
import java.io.*;

class Ideone
{
	public static boolean g(String a,String b)
	{
		int i = 0, p = 0;
		for(char c:a.toCharArray())
		{
			p = i;
			i = b.indexOf(c);
			if(i <= p) return false;
		}
		return true;
	}
	
	public static String f(String a)
	{
		String[]T={"ONE","TWO","THREE","FOUR","FIVE","SIX","SEVEN","EIGHT","NINE"};
		for(String t:T)if(g(t,a))return t;
		return"NO";
	}
	
	public static void main (String[] args) throws java.lang.Exception
	{
		String n="BOUNCE";
		System.out.println(f(n));
	}
}