import java.util.*;
 
public class Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String s = sc.nextLine();
		int y = Integer.parseInt(s.substring(0,4));
		int m = Integer.parseInt(s.substring(5,7));
		int d = Integer.parseInt(s.substring(8,10));
		if(y<2019||(y==2019 && m<=4)) System.out.println("Heisei");
		else System.out.println("TBD");
		return;
	}
} import java.util.*; util.* java public class Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String s = sc.nextLine();
		int y = Integer.parseInt(s.substring(0,4));
		int m = Integer.parseInt(s.substring(5,7));
		int d = Integer.parseInt(s.substring(8,10));
		if(y<2019||(y==2019 && m<=4)) System.out.println("Heisei");
		else System.out.println("TBD");
		return;
	}
} Main public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String s = sc.nextLine();
		int y = Integer.parseInt(s.substring(0,4));
		int m = Integer.parseInt(s.substring(5,7));
		int d = Integer.parseInt(s.substring(8,10));
		if(y<2019||(y==2019 && m<=4)) System.out.println("Heisei");
		else System.out.println("TBD");
		return;
	} main {
		Scanner sc = new Scanner(System.in);
		String s = sc.nextLine();
		int y = Integer.parseInt(s.substring(0,4));
		int m = Integer.parseInt(s.substring(5,7));
		int d = Integer.parseInt(s.substring(8,10));
		if(y<2019||(y==2019 && m<=4)) System.out.println("Heisei");
		else System.out.println("TBD");
		return;
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String s = sc.nextLine(); s sc.nextLine() sc.nextLine sc int y = Integer.parseInt(s.substring(0,4)); y Integer.parseInt(s.substring(0,4)) Integer.parseInt Integer s.substring(0,4) s.substring s 0 4 int m = Integer.parseInt(s.substring(5,7)); m Integer.parseInt(s.substring(5,7)) Integer.parseInt Integer s.substring(5,7) s.substring s 5 7 int d = Integer.parseInt(s.substring(8,10)); d Integer.parseInt(s.substring(8,10)) Integer.parseInt Integer s.substring(8,10) s.substring s 8 10 if(y<2019||(y==2019 && m<=4)) System.out.println("Heisei");
		else System.out.println("TBD"); y<2019||(y==2019 && m<=4) y<2019 y 2019 (y==2019 && m<=4) y==2019 y 2019 m<=4 m 4 System.out.println("Heisei") System.out.println System.out System System.out "Heisei" System.out.println("TBD") System.out.println System.out System System.out "TBD" return; String[] args args public class Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String s = sc.nextLine();
		int y = Integer.parseInt(s.substring(0,4));
		int m = Integer.parseInt(s.substring(5,7));
		int d = Integer.parseInt(s.substring(8,10));
		if(y<2019||(y==2019 && m<=4)) System.out.println("Heisei");
		else System.out.println("TBD");
		return;
	}
} public class Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String s = sc.nextLine();
		int y = Integer.parseInt(s.substring(0,4));
		int m = Integer.parseInt(s.substring(5,7));
		int d = Integer.parseInt(s.substring(8,10));
		if(y<2019||(y==2019 && m<=4)) System.out.println("Heisei");
		else System.out.println("TBD");
		return;
	}
} Main
import java.util.*;
 
public class Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String s = sc.nextLine();
		int y = Integer.parseInt(s.substring(0,4));
		int m = Integer.parseInt(s.substring(5,7));
		int d = Integer.parseInt(s.substring(8,10));
		if(y<2019||(y==2019 && m<=4)) System.out.println("Heisei");
		else System.out.println("TBD");
		return;
	}
}