import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.StringTokenizer;
import java.io.IOException;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.InputStream;

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

    static class AStillTBD {
        public void solve(int testNumber, InputReader in, PrintWriter out) {
            String s = in.next();

            String[] parts = s.split("/");
            int y = Integer.parseInt(parts[0]);
            int m = Integer.parseInt(parts[1]);
            int d = Integer.parseInt(parts[2]);

            long time = y * 10000 + m * 100 + d;

            out.println(time <= 2019 * 10000 + 4 * 100 + 30 ? "Heisei" : "TBD");
        }

    }

    static class InputReader {
        public BufferedReader reader;
        public StringTokenizer tokenizer;

        public InputReader(InputStream stream) {
            reader = new BufferedReader(new InputStreamReader(stream), 32768);
            tokenizer = null;
        }

        public String next() {
            while (tokenizer == null || !tokenizer.hasMoreTokens()) {
                try {
                    tokenizer = new StringTokenizer(reader.readLine());
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
            return tokenizer.nextToken();
        }

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

    static class AStillTBD {
        public void solve(int testNumber, InputReader in, PrintWriter out) {
            String s = in.next();

            String[] parts = s.split("/");
            int y = Integer.parseInt(parts[0]);
            int m = Integer.parseInt(parts[1]);
            int d = Integer.parseInt(parts[2]);

            long time = y * 10000 + m * 100 + d;

            out.println(time <= 2019 * 10000 + 4 * 100 + 30 ? "Heisei" : "TBD");
        }

    }

    static class InputReader {
        public BufferedReader reader;
        public StringTokenizer tokenizer;

        public InputReader(InputStream stream) {
            reader = new BufferedReader(new InputStreamReader(stream), 32768);
            tokenizer = null;
        }

        public String next() {
            while (tokenizer == null || !tokenizer.hasMoreTokens()) {
                try {
                    tokenizer = new StringTokenizer(reader.readLine());
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
            return tokenizer.nextToken();
        }

    }
} Main public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        InputReader in = new InputReader(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        AStillTBD solver = new AStillTBD();
        solver.solve(1, in, out);
        out.close();
    } main {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        InputReader in = new InputReader(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        AStillTBD solver = new AStillTBD();
        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 InputReader in = new InputReader(inputStream); in new InputReader(inputStream) PrintWriter out = new PrintWriter(outputStream); out new PrintWriter(outputStream) AStillTBD solver = new AStillTBD(); solver new AStillTBD() solver.solve(1, in, out) solver.solve solver 1 in out out.close() out.close out String[] args args static class AStillTBD {
        public void solve(int testNumber, InputReader in, PrintWriter out) {
            String s = in.next();

            String[] parts = s.split("/");
            int y = Integer.parseInt(parts[0]);
            int m = Integer.parseInt(parts[1]);
            int d = Integer.parseInt(parts[2]);

            long time = y * 10000 + m * 100 + d;

            out.println(time <= 2019 * 10000 + 4 * 100 + 30 ? "Heisei" : "TBD");
        }

    } AStillTBD public void solve(int testNumber, InputReader in, PrintWriter out) {
            String s = in.next();

            String[] parts = s.split("/");
            int y = Integer.parseInt(parts[0]);
            int m = Integer.parseInt(parts[1]);
            int d = Integer.parseInt(parts[2]);

            long time = y * 10000 + m * 100 + d;

            out.println(time <= 2019 * 10000 + 4 * 100 + 30 ? "Heisei" : "TBD");
        } solve {
            String s = in.next();

            String[] parts = s.split("/");
            int y = Integer.parseInt(parts[0]);
            int m = Integer.parseInt(parts[1]);
            int d = Integer.parseInt(parts[2]);

            long time = y * 10000 + m * 100 + d;

            out.println(time <= 2019 * 10000 + 4 * 100 + 30 ? "Heisei" : "TBD");
        } String s = in.next(); s in.next() in.next in String[] parts = s.split("/"); parts s.split("/") s.split s "/" int y = Integer.parseInt(parts[0]); y Integer.parseInt(parts[0]) Integer.parseInt Integer parts[0] parts 0 int m = Integer.parseInt(parts[1]); m Integer.parseInt(parts[1]) Integer.parseInt Integer parts[1] parts 1 int d = Integer.parseInt(parts[2]); d Integer.parseInt(parts[2]) Integer.parseInt Integer parts[2] parts 2 long time = y * 10000 + m * 100 + d; time y * 10000 + m * 100 + d y * 10000 + m * 100 + d y * 10000 y 10000 m * 100 m 100 d out.println(time <= 2019 * 10000 + 4 * 100 + 30 ? "Heisei" : "TBD") out.println out time <= 2019 * 10000 + 4 * 100 + 30 ? "Heisei" : "TBD" time <= 2019 * 10000 + 4 * 100 + 30 time 2019 * 10000 + 4 * 100 + 30 2019 * 10000 + 4 * 100 + 30 2019 * 10000 2019 10000 4 * 100 4 100 30 "Heisei" "TBD" int testNumber testNumber InputReader in in PrintWriter out out static class InputReader {
        public BufferedReader reader;
        public StringTokenizer tokenizer;

        public InputReader(InputStream stream) {
            reader = new BufferedReader(new InputStreamReader(stream), 32768);
            tokenizer = null;
        }

        public String next() {
            while (tokenizer == null || !tokenizer.hasMoreTokens()) {
                try {
                    tokenizer = new StringTokenizer(reader.readLine());
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
            return tokenizer.nextToken();
        }

    } InputReader public BufferedReader reader; reader public StringTokenizer tokenizer; tokenizer public InputReader(InputStream stream) {
            reader = new BufferedReader(new InputStreamReader(stream), 32768);
            tokenizer = null;
        } InputReader {
            reader = new BufferedReader(new InputStreamReader(stream), 32768);
            tokenizer = null;
        } reader = new BufferedReader(new InputStreamReader(stream), 32768) reader new BufferedReader(new InputStreamReader(stream), 32768) tokenizer = null tokenizer null InputStream stream stream public String next() {
            while (tokenizer == null || !tokenizer.hasMoreTokens()) {
                try {
                    tokenizer = new StringTokenizer(reader.readLine());
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
            return tokenizer.nextToken();
        } next {
            while (tokenizer == null || !tokenizer.hasMoreTokens()) {
                try {
                    tokenizer = new StringTokenizer(reader.readLine());
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
            return tokenizer.nextToken();
        } while (tokenizer == null || !tokenizer.hasMoreTokens()) {
                try {
                    tokenizer = new StringTokenizer(reader.readLine());
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            } tokenizer == null || !tokenizer.hasMoreTokens() tokenizer == null tokenizer null !tokenizer.hasMoreTokens() tokenizer.hasMoreTokens() tokenizer.hasMoreTokens tokenizer {
                try {
                    tokenizer = new StringTokenizer(reader.readLine());
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            } try {
                    tokenizer = new StringTokenizer(reader.readLine());
                } catch (IOException e) {
                    throw new RuntimeException(e);
                } catch (IOException e) {
                    throw new RuntimeException(e);
                } IOException e {
                    throw new RuntimeException(e);
                } throw new RuntimeException(e); new RuntimeException(e) {
                    tokenizer = new StringTokenizer(reader.readLine());
                } tokenizer = new StringTokenizer(reader.readLine()) tokenizer new StringTokenizer(reader.readLine()) return tokenizer.nextToken(); tokenizer.nextToken() tokenizer.nextToken tokenizer public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        InputReader in = new InputReader(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        AStillTBD solver = new AStillTBD();
        solver.solve(1, in, out);
        out.close();
    }

    static class AStillTBD {
        public void solve(int testNumber, InputReader in, PrintWriter out) {
            String s = in.next();

            String[] parts = s.split("/");
            int y = Integer.parseInt(parts[0]);
            int m = Integer.parseInt(parts[1]);
            int d = Integer.parseInt(parts[2]);

            long time = y * 10000 + m * 100 + d;

            out.println(time <= 2019 * 10000 + 4 * 100 + 30 ? "Heisei" : "TBD");
        }

    }

    static class InputReader {
        public BufferedReader reader;
        public StringTokenizer tokenizer;

        public InputReader(InputStream stream) {
            reader = new BufferedReader(new InputStreamReader(stream), 32768);
            tokenizer = null;
        }

        public String next() {
            while (tokenizer == null || !tokenizer.hasMoreTokens()) {
                try {
                    tokenizer = new StringTokenizer(reader.readLine());
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
            return tokenizer.nextToken();
        }

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

    static class AStillTBD {
        public void solve(int testNumber, InputReader in, PrintWriter out) {
            String s = in.next();

            String[] parts = s.split("/");
            int y = Integer.parseInt(parts[0]);
            int m = Integer.parseInt(parts[1]);
            int d = Integer.parseInt(parts[2]);

            long time = y * 10000 + m * 100 + d;

            out.println(time <= 2019 * 10000 + 4 * 100 + 30 ? "Heisei" : "TBD");
        }

    }

    static class InputReader {
        public BufferedReader reader;
        public StringTokenizer tokenizer;

        public InputReader(InputStream stream) {
            reader = new BufferedReader(new InputStreamReader(stream), 32768);
            tokenizer = null;
        }

        public String next() {
            while (tokenizer == null || !tokenizer.hasMoreTokens()) {
                try {
                    tokenizer = new StringTokenizer(reader.readLine());
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
            return tokenizer.nextToken();
        }

    }
} Main
import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.StringTokenizer;
import java.io.IOException;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.InputStream;

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

    static class AStillTBD {
        public void solve(int testNumber, InputReader in, PrintWriter out) {
            String s = in.next();

            String[] parts = s.split("/");
            int y = Integer.parseInt(parts[0]);
            int m = Integer.parseInt(parts[1]);
            int d = Integer.parseInt(parts[2]);

            long time = y * 10000 + m * 100 + d;

            out.println(time <= 2019 * 10000 + 4 * 100 + 30 ? "Heisei" : "TBD");
        }

    }

    static class InputReader {
        public BufferedReader reader;
        public StringTokenizer tokenizer;

        public InputReader(InputStream stream) {
            reader = new BufferedReader(new InputStreamReader(stream), 32768);
            tokenizer = null;
        }

        public String next() {
            while (tokenizer == null || !tokenizer.hasMoreTokens()) {
                try {
                    tokenizer = new StringTokenizer(reader.readLine());
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
            return tokenizer.nextToken();
        }

    }
}

