import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
      String S = sc.next();
      String T = S.replace("/","");
      int U = Integer.parseInt(T);
      if(U<=20190430){
        System.out.println("Heisei");
      }else{
        System.out.println("TBD");
      }
    }
} import java.util.*; util.* java public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
      String S = sc.next();
      String T = S.replace("/","");
      int U = Integer.parseInt(T);
      if(U<=20190430){
        System.out.println("Heisei");
      }else{
        System.out.println("TBD");
      }
    }
} Main public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
      String S = sc.next();
      String T = S.replace("/","");
      int U = Integer.parseInt(T);
      if(U<=20190430){
        System.out.println("Heisei");
      }else{
        System.out.println("TBD");
      }
    } main {
		Scanner sc = new Scanner(System.in);
      String S = sc.next();
      String T = S.replace("/","");
      int U = Integer.parseInt(T);
      if(U<=20190430){
        System.out.println("Heisei");
      }else{
        System.out.println("TBD");
      }
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String S = sc.next(); S sc.next() sc.next sc String T = S.replace("/",""); T S.replace("/","") S.replace S "/" "" int U = Integer.parseInt(T); U Integer.parseInt(T) Integer.parseInt Integer T if(U<=20190430){
        System.out.println("Heisei");
      }else{
        System.out.println("TBD");
      } U<=20190430 U 20190430 {
        System.out.println("Heisei");
      } System.out.println("Heisei") System.out.println System.out System System.out "Heisei" {
        System.out.println("TBD");
      } System.out.println("TBD") System.out.println System.out System System.out "TBD" String[] args args public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
      String S = sc.next();
      String T = S.replace("/","");
      int U = Integer.parseInt(T);
      if(U<=20190430){
        System.out.println("Heisei");
      }else{
        System.out.println("TBD");
      }
    }
} public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
      String S = sc.next();
      String T = S.replace("/","");
      int U = Integer.parseInt(T);
      if(U<=20190430){
        System.out.println("Heisei");
      }else{
        System.out.println("TBD");
      }
    }
} Main
import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
      String S = sc.next();
      String T = S.replace("/","");
      int U = Integer.parseInt(T);
      if(U<=20190430){
        System.out.println("Heisei");
      }else{
        System.out.println("TBD");
      }
    }
}