import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		String S = sc.next();
		String ans = "";

		if ( S.compareTo( "2019/04/30" ) <= 0) {
			ans = "Heisei";
		} else {
			ans = "TBD";
		}

		System.out.println( ans );
	}
} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		String S = sc.next();
		String ans = "";

		if ( S.compareTo( "2019/04/30" ) <= 0) {
			ans = "Heisei";
		} else {
			ans = "TBD";
		}

		System.out.println( ans );
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		String S = sc.next();
		String ans = "";

		if ( S.compareTo( "2019/04/30" ) <= 0) {
			ans = "Heisei";
		} else {
			ans = "TBD";
		}

		System.out.println( ans );
	} main {
		Scanner sc = new Scanner(System.in);

		String S = sc.next();
		String ans = "";

		if ( S.compareTo( "2019/04/30" ) <= 0) {
			ans = "Heisei";
		} else {
			ans = "TBD";
		}

		System.out.println( ans );
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String S = sc.next(); S sc.next() sc.next sc String ans = ""; ans "" if ( S.compareTo( "2019/04/30" ) <= 0) {
			ans = "Heisei";
		} else {
			ans = "TBD";
		} S.compareTo( "2019/04/30" ) <= 0 S.compareTo( "2019/04/30" ) S.compareTo S "2019/04/30" 0 {
			ans = "Heisei";
		} ans = "Heisei" ans "Heisei" {
			ans = "TBD";
		} ans = "TBD" ans "TBD" System.out.println( ans ) System.out.println System.out System System.out ans String[] args args public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		String S = sc.next();
		String ans = "";

		if ( S.compareTo( "2019/04/30" ) <= 0) {
			ans = "Heisei";
		} else {
			ans = "TBD";
		}

		System.out.println( ans );
	}
} public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		String S = sc.next();
		String ans = "";

		if ( S.compareTo( "2019/04/30" ) <= 0) {
			ans = "Heisei";
		} else {
			ans = "TBD";
		}

		System.out.println( ans );
	}
} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		String S = sc.next();
		String ans = "";

		if ( S.compareTo( "2019/04/30" ) <= 0) {
			ans = "Heisei";
		} else {
			ans = "TBD";
		}

		System.out.println( ans );
	}
}