import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
//import org.apache.commons.lang.StringUtils;

/*
 * Alan Ruvalcaba
 * CS 301 12:00 - 12:50am
 *
 */

public class Huntingtons {

	public static void main(String[] args) throws IOException {

		BufferedReader in = new BufferedReader(new FileReader(args[0]));
		StringBuffer result = new StringBuffer();//Create StringBuffer
		String iterator = "";
		while ((iterator = in.readLine()) != null) {
			result.append(iterator);
		}
		String copyNospace = new String(result);
		copyNospace = copyNospace.replaceAll("\\s", "");
		countOccurrences(copyNospace);
	}

	public static void countOccurrences(String input) {
		Pattern pattern = Pattern.compile("(C\\s*A\\s*G\\s*)*");

		Matcher  matcher = pattern.matcher(input);
		int max = 0;
		while(matcher.find()){
			//System.out.println(matcher.group().length());
			int length =  matcher.group().length();
			if(max < length/3)
				max = length/3;

			}

		if (max < 28)
			System.out.println("< 28 Normal " + max);
		else if (max >= 28 && max <= 35)
			System.out
					.println("28-35 Intermediate Level,no symptoms " + max);
		else if (max >= 36 && max <= 39)
			System.out.println("36-39 At risk for Huntington's Disease "
					+ max);
		else if (max >= 40 && max <= 180)
			System.out.println("40-180 Huntington's Disease " + max);
		else if (max > 180)
			System.out.println("> 180 Not a human being.");
	}
}