import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Scanner;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        ABC119_1 solver = new ABC119_1();
        solver.solve(1, in, out);
        out.close();
    }

    static class ABC119_1 {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            String S = in.next();
//        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy/mm/dd");
//        LocalDate ldt = LocalDate.parse( S , formatter );
//        LocalDate date_EndOf_Heisei = LocalDate.parse( "2019/04/30", formatter);

            if (S.compareTo("2019/04/30") > 0) {
                out.println("TBD");
            } else {
                out.println("Heisei");
            }
        }

    }
}
 import java.io.OutputStream; OutputStream java.io import java.io.IOException; IOException java.io import java.io.InputStream; InputStream java.io import java.io.PrintWriter; PrintWriter java.io import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        ABC119_1 solver = new ABC119_1();
        solver.solve(1, in, out);
        out.close();
    }

    static class ABC119_1 {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            String S = in.next();
//        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy/mm/dd");
//        LocalDate ldt = LocalDate.parse( S , formatter );
//        LocalDate date_EndOf_Heisei = LocalDate.parse( "2019/04/30", formatter);

            if (S.compareTo("2019/04/30") > 0) {
                out.println("TBD");
            } else {
                out.println("Heisei");
            }
        }

    }
} Main public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        ABC119_1 solver = new ABC119_1();
        solver.solve(1, in, out);
        out.close();
    } main {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        ABC119_1 solver = new ABC119_1();
        solver.solve(1, in, out);
        out.close();
    } InputStream inputStream = System.in; inputStream System.in System System.in OutputStream outputStream = System.out; outputStream System.out System System.out Scanner in = new Scanner(inputStream); in new Scanner(inputStream) PrintWriter out = new PrintWriter(outputStream); out new PrintWriter(outputStream) ABC119_1 solver = new ABC119_1(); solver new ABC119_1() solver.solve(1, in, out) solver.solve solver 1 in out out.close() out.close out String[] args args static class ABC119_1 {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            String S = in.next();
//        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy/mm/dd");
//        LocalDate ldt = LocalDate.parse( S , formatter );
//        LocalDate date_EndOf_Heisei = LocalDate.parse( "2019/04/30", formatter);

            if (S.compareTo("2019/04/30") > 0) {
                out.println("TBD");
            } else {
                out.println("Heisei");
            }
        }

    } ABC119_1 public void solve(int testNumber, Scanner in, PrintWriter out) {
            String S = in.next();
//        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy/mm/dd");
//        LocalDate ldt = LocalDate.parse( S , formatter );
//        LocalDate date_EndOf_Heisei = LocalDate.parse( "2019/04/30", formatter);

            if (S.compareTo("2019/04/30") > 0) {
                out.println("TBD");
            } else {
                out.println("Heisei");
            }
        } solve {
            String S = in.next();
//        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy/mm/dd");
//        LocalDate ldt = LocalDate.parse( S , formatter );
//        LocalDate date_EndOf_Heisei = LocalDate.parse( "2019/04/30", formatter);

            if (S.compareTo("2019/04/30") > 0) {
                out.println("TBD");
            } else {
                out.println("Heisei");
            }
        } String S = in.next(); S in.next() in.next in if (S.compareTo("2019/04/30") > 0) {
                out.println("TBD");
            } else {
                out.println("Heisei");
            } S.compareTo("2019/04/30") > 0 S.compareTo("2019/04/30") S.compareTo S "2019/04/30" 0 {
                out.println("TBD");
            } out.println("TBD") out.println out "TBD" {
                out.println("Heisei");
            } out.println("Heisei") out.println out "Heisei" int testNumber testNumber Scanner in in PrintWriter out out public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        ABC119_1 solver = new ABC119_1();
        solver.solve(1, in, out);
        out.close();
    }

    static class ABC119_1 {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            String S = in.next();
//        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy/mm/dd");
//        LocalDate ldt = LocalDate.parse( S , formatter );
//        LocalDate date_EndOf_Heisei = LocalDate.parse( "2019/04/30", formatter);

            if (S.compareTo("2019/04/30") > 0) {
                out.println("TBD");
            } else {
                out.println("Heisei");
            }
        }

    }
} public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        ABC119_1 solver = new ABC119_1();
        solver.solve(1, in, out);
        out.close();
    }

    static class ABC119_1 {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            String S = in.next();
//        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy/mm/dd");
//        LocalDate ldt = LocalDate.parse( S , formatter );
//        LocalDate date_EndOf_Heisei = LocalDate.parse( "2019/04/30", formatter);

            if (S.compareTo("2019/04/30") > 0) {
                out.println("TBD");
            } else {
                out.println("Heisei");
            }
        }

    }
} Main
import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Scanner;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        ABC119_1 solver = new ABC119_1();
        solver.solve(1, in, out);
        out.close();
    }

    static class ABC119_1 {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            String S = in.next();
//        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy/mm/dd");
//        LocalDate ldt = LocalDate.parse( S , formatter );
//        LocalDate date_EndOf_Heisei = LocalDate.parse( "2019/04/30", formatter);

            if (S.compareTo("2019/04/30") > 0) {
                out.println("TBD");
            } else {
                out.println("Heisei");
            }
        }

    }
}

