import java.io.*;
import java.util.*;
import java.util.regex.Pattern;

public class Main
{
	static Scanner cin=new Scanner(System.in);
	static PrintWriter cout=new PrintWriter(System.out,true);
	
	static public void main(String args[])
	{
		String a;
		int tcase=cin.nextInt();
		while(tcase-->0)
		{
			a=cin.next();
			if(Pattern.compile("([+-]?[0-9]+)([/.][0-9]+)?([Ee][+-]?[0-9]+)?").matcher(a).matches()) cout.println("LEGAL");
			else cout.println("ILLEGAL");
		}
	}
}