import java.io.*; 
import java.math.*;
import java.util.*;
 
public class Main {
	static final long MOD = 998244353;
	//static final long MOD = 1000000007;
	static boolean[] visited;
    public static void main(String[] args) throws IOException {
        FastScanner sc = new FastScanner();
        String s = sc.next();
        int year = Integer.parseInt(s.substring(0,4));
        int month = Integer.parseInt(s.substring(5,7));
        int day = Integer.parseInt(s.substring(8,10));
        if (year < 2019 || (year == 2019 && month < 5)) {
        	System.out.println("Heisei");
        } else {
        	System.out.println("TBD");
        }
    }
    
    public static int[][] sort(int[][] array) {
    	//Sort an array (immune to quicksort TLE)
		Random rgen = new Random();
		for (int i = 0; i< array.length; i++) {
		    int randomPosition = rgen.nextInt(array.length);
		    int[] temp = array[i];
		    array[i] = array[randomPosition];
		    array[randomPosition] = temp;
		}
		Arrays.sort(array, new Comparator<int[]>() {
			  @Override
			  public int compare(int[] arr1, int[] arr2) {
				  //Ascending order
				  if (arr1[0] != arr2[0])
					  return arr1[0]-arr2[0];
				  else
					  return arr2[1]-arr1[1];
			  }
		});
		return array;
	}
    
    static class FastScanner { 
        BufferedReader br; 
        StringTokenizer st; 
  
        public FastScanner() { 
            br = new BufferedReader(new InputStreamReader(System.in)); 
        } 
  
        String next() { 
            while (st == null || !st.hasMoreElements()) { 
                try { 
                    st = new StringTokenizer(br.readLine());
                } catch (IOException  e) { 
                    e.printStackTrace(); 
                } 
            } 
            return st.nextToken(); 
        } 
  
        int nextInt() { 
            return Integer.parseInt(next()); 
        } 
  
        long nextLong() { 
            return Long.parseLong(next()); 
        } 
  
        double nextDouble() { 
            return Double.parseDouble(next()); 
        } 
  
        String nextLine() { 
            String str = ""; 
            try { 
                str = br.readLine(); 
            } catch (IOException e) {
                e.printStackTrace(); 
            } 
            return str; 
        }
    }
}

class Node {
	public HashSet<Node> children;
	public int n;
	
	public Node(int n) {
		this.n = n;
		children = new HashSet<Node>();
	}
	
	public void addChild(Node node) {
		children.add(node);
	}
	
	public void removeChild(Node node) {
		children.remove(node);
	}

	/* (non-Javadoc)
	 * @see java.lang.Object#hashCode()
	 */
	@Override
	public int hashCode() {
		return n;
	}

	@Override
	public boolean equals(Object obj) {
		if (! (obj instanceof Node)) {
			return false;
		} else {
			Node node = (Node) obj;
			return (n == node.n);
		}
	}
	
	public String toString() {
		return (this.n+1)+"";
	}
} Comparator<int[]>() {
			  @Override
			  public int compare(int[] arr1, int[] arr2) {
				  //Ascending order
				  if (arr1[0] != arr2[0])
					  return arr1[0]-arr2[0];
				  else
					  return arr2[1]-arr1[1];
			  }
		} @Override
			  public int compare(int[] arr1, int[] arr2) {
				  //Ascending order
				  if (arr1[0] != arr2[0])
					  return arr1[0]-arr2[0];
				  else
					  return arr2[1]-arr1[1];
			  } compare {
				  //Ascending order
				  if (arr1[0] != arr2[0])
					  return arr1[0]-arr2[0];
				  else
					  return arr2[1]-arr1[1];
			  } if (arr1[0] != arr2[0])
					  return arr1[0]-arr2[0];
				  else
					  return arr2[1]-arr1[1]; arr1[0] != arr2[0] arr1[0] arr1 0 arr2[0] arr2 0 return arr1[0]-arr2[0]; arr1[0]-arr2[0] arr1[0] arr1 0 arr2[0] arr2 0 return arr2[1]-arr1[1]; arr2[1]-arr1[1] arr2[1] arr2 1 arr1[1] arr1 1 int[] arr1 arr1 int[] arr2 arr2 import java.io.*; io.* java import java.math.*; math.* java import java.util.*; util.* java public class Main {
	static final long MOD = 998244353;
	//static final long MOD = 1000000007;
	static boolean[] visited;
    public static void main(String[] args) throws IOException {
        FastScanner sc = new FastScanner();
        String s = sc.next();
        int year = Integer.parseInt(s.substring(0,4));
        int month = Integer.parseInt(s.substring(5,7));
        int day = Integer.parseInt(s.substring(8,10));
        if (year < 2019 || (year == 2019 && month < 5)) {
        	System.out.println("Heisei");
        } else {
        	System.out.println("TBD");
        }
    }
    
    public static int[][] sort(int[][] array) {
    	//Sort an array (immune to quicksort TLE)
		Random rgen = new Random();
		for (int i = 0; i< array.length; i++) {
		    int randomPosition = rgen.nextInt(array.length);
		    int[] temp = array[i];
		    array[i] = array[randomPosition];
		    array[randomPosition] = temp;
		}
		Arrays.sort(array, new Comparator<int[]>() {
			  @Override
			  public int compare(int[] arr1, int[] arr2) {
				  //Ascending order
				  if (arr1[0] != arr2[0])
					  return arr1[0]-arr2[0];
				  else
					  return arr2[1]-arr1[1];
			  }
		});
		return array;
	}
    
    static class FastScanner { 
        BufferedReader br; 
        StringTokenizer st; 
  
        public FastScanner() { 
            br = new BufferedReader(new InputStreamReader(System.in)); 
        } 
  
        String next() { 
            while (st == null || !st.hasMoreElements()) { 
                try { 
                    st = new StringTokenizer(br.readLine());
                } catch (IOException  e) { 
                    e.printStackTrace(); 
                } 
            } 
            return st.nextToken(); 
        } 
  
        int nextInt() { 
            return Integer.parseInt(next()); 
        } 
  
        long nextLong() { 
            return Long.parseLong(next()); 
        } 
  
        double nextDouble() { 
            return Double.parseDouble(next()); 
        } 
  
        String nextLine() { 
            String str = ""; 
            try { 
                str = br.readLine(); 
            } catch (IOException e) {
                e.printStackTrace(); 
            } 
            return str; 
        }
    }
} Main static final long MOD = 998244353; MOD 998244353 //static final long MOD = 1000000007;
	static boolean[] visited; visited public static void main(String[] args) throws IOException {
        FastScanner sc = new FastScanner();
        String s = sc.next();
        int year = Integer.parseInt(s.substring(0,4));
        int month = Integer.parseInt(s.substring(5,7));
        int day = Integer.parseInt(s.substring(8,10));
        if (year < 2019 || (year == 2019 && month < 5)) {
        	System.out.println("Heisei");
        } else {
        	System.out.println("TBD");
        }
    } main {
        FastScanner sc = new FastScanner();
        String s = sc.next();
        int year = Integer.parseInt(s.substring(0,4));
        int month = Integer.parseInt(s.substring(5,7));
        int day = Integer.parseInt(s.substring(8,10));
        if (year < 2019 || (year == 2019 && month < 5)) {
        	System.out.println("Heisei");
        } else {
        	System.out.println("TBD");
        }
    } FastScanner sc = new FastScanner(); sc new FastScanner() String s = sc.next(); s sc.next() sc.next sc int year = Integer.parseInt(s.substring(0,4)); year Integer.parseInt(s.substring(0,4)) Integer.parseInt Integer s.substring(0,4) s.substring s 0 4 int month = Integer.parseInt(s.substring(5,7)); month Integer.parseInt(s.substring(5,7)) Integer.parseInt Integer s.substring(5,7) s.substring s 5 7 int day = Integer.parseInt(s.substring(8,10)); day Integer.parseInt(s.substring(8,10)) Integer.parseInt Integer s.substring(8,10) s.substring s 8 10 if (year < 2019 || (year == 2019 && month < 5)) {
        	System.out.println("Heisei");
        } else {
        	System.out.println("TBD");
        } year < 2019 || (year == 2019 && month < 5) year < 2019 year 2019 (year == 2019 && month < 5) year == 2019 year 2019 month < 5 month 5 {
        	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 static int[][] sort(int[][] array) {
    	//Sort an array (immune to quicksort TLE)
		Random rgen = new Random();
		for (int i = 0; i< array.length; i++) {
		    int randomPosition = rgen.nextInt(array.length);
		    int[] temp = array[i];
		    array[i] = array[randomPosition];
		    array[randomPosition] = temp;
		}
		Arrays.sort(array, new Comparator<int[]>() {
			  @Override
			  public int compare(int[] arr1, int[] arr2) {
				  //Ascending order
				  if (arr1[0] != arr2[0])
					  return arr1[0]-arr2[0];
				  else
					  return arr2[1]-arr1[1];
			  }
		});
		return array;
	} sort {
    	//Sort an array (immune to quicksort TLE)
		Random rgen = new Random();
		for (int i = 0; i< array.length; i++) {
		    int randomPosition = rgen.nextInt(array.length);
		    int[] temp = array[i];
		    array[i] = array[randomPosition];
		    array[randomPosition] = temp;
		}
		Arrays.sort(array, new Comparator<int[]>() {
			  @Override
			  public int compare(int[] arr1, int[] arr2) {
				  //Ascending order
				  if (arr1[0] != arr2[0])
					  return arr1[0]-arr2[0];
				  else
					  return arr2[1]-arr1[1];
			  }
		});
		return array;
	} Random rgen = new Random(); rgen new Random() for (int i = 0; i< array.length; i++) {
		    int randomPosition = rgen.nextInt(array.length);
		    int[] temp = array[i];
		    array[i] = array[randomPosition];
		    array[randomPosition] = temp;
		} int i = 0; int i = 0; i 0 i< array.length i array.length array array.length i++ i++ i {
		    int randomPosition = rgen.nextInt(array.length);
		    int[] temp = array[i];
		    array[i] = array[randomPosition];
		    array[randomPosition] = temp;
		} {
		    int randomPosition = rgen.nextInt(array.length);
		    int[] temp = array[i];
		    array[i] = array[randomPosition];
		    array[randomPosition] = temp;
		} int randomPosition = rgen.nextInt(array.length); randomPosition rgen.nextInt(array.length) rgen.nextInt rgen array.length array array.length int[] temp = array[i]; temp array[i] array i array[i] = array[randomPosition] array[i] array i array[randomPosition] array randomPosition array[randomPosition] = temp array[randomPosition] array randomPosition temp Arrays.sort(array, new Comparator<int[]>() {
			  @Override
			  public int compare(int[] arr1, int[] arr2) {
				  //Ascending order
				  if (arr1[0] != arr2[0])
					  return arr1[0]-arr2[0];
				  else
					  return arr2[1]-arr1[1];
			  }
		}) Arrays.sort Arrays array new Comparator<int[]>() {
			  @Override
			  public int compare(int[] arr1, int[] arr2) {
				  //Ascending order
				  if (arr1[0] != arr2[0])
					  return arr1[0]-arr2[0];
				  else
					  return arr2[1]-arr1[1];
			  }
		} return array; array int[][] array array static class FastScanner { 
        BufferedReader br; 
        StringTokenizer st; 
  
        public FastScanner() { 
            br = new BufferedReader(new InputStreamReader(System.in)); 
        } 
  
        String next() { 
            while (st == null || !st.hasMoreElements()) { 
                try { 
                    st = new StringTokenizer(br.readLine());
                } catch (IOException  e) { 
                    e.printStackTrace(); 
                } 
            } 
            return st.nextToken(); 
        } 
  
        int nextInt() { 
            return Integer.parseInt(next()); 
        } 
  
        long nextLong() { 
            return Long.parseLong(next()); 
        } 
  
        double nextDouble() { 
            return Double.parseDouble(next()); 
        } 
  
        String nextLine() { 
            String str = ""; 
            try { 
                str = br.readLine(); 
            } catch (IOException e) {
                e.printStackTrace(); 
            } 
            return str; 
        }
    } FastScanner BufferedReader br; br StringTokenizer st; st public FastScanner() { 
            br = new BufferedReader(new InputStreamReader(System.in)); 
        } FastScanner { 
            br = new BufferedReader(new InputStreamReader(System.in)); 
        } br = new BufferedReader(new InputStreamReader(System.in)) br new BufferedReader(new InputStreamReader(System.in)) String next() { 
            while (st == null || !st.hasMoreElements()) { 
                try { 
                    st = new StringTokenizer(br.readLine());
                } catch (IOException  e) { 
                    e.printStackTrace(); 
                } 
            } 
            return st.nextToken(); 
        } next { 
            while (st == null || !st.hasMoreElements()) { 
                try { 
                    st = new StringTokenizer(br.readLine());
                } catch (IOException  e) { 
                    e.printStackTrace(); 
                } 
            } 
            return st.nextToken(); 
        } while (st == null || !st.hasMoreElements()) { 
                try { 
                    st = new StringTokenizer(br.readLine());
                } catch (IOException  e) { 
                    e.printStackTrace(); 
                } 
            } st == null || !st.hasMoreElements() st == null st null !st.hasMoreElements() st.hasMoreElements() st.hasMoreElements st { 
                try { 
                    st = new StringTokenizer(br.readLine());
                } catch (IOException  e) { 
                    e.printStackTrace(); 
                } 
            } try { 
                    st = new StringTokenizer(br.readLine());
                } catch (IOException  e) { 
                    e.printStackTrace(); 
                } catch (IOException  e) { 
                    e.printStackTrace(); 
                } IOException  e { 
                    e.printStackTrace(); 
                } e.printStackTrace() e.printStackTrace e { 
                    st = new StringTokenizer(br.readLine());
                } st = new StringTokenizer(br.readLine()) st new StringTokenizer(br.readLine()) return st.nextToken(); st.nextToken() st.nextToken st int nextInt() { 
            return Integer.parseInt(next()); 
        } nextInt { 
            return Integer.parseInt(next()); 
        } return Integer.parseInt(next()); Integer.parseInt(next()) Integer.parseInt Integer next() next long nextLong() { 
            return Long.parseLong(next()); 
        } nextLong { 
            return Long.parseLong(next()); 
        } return Long.parseLong(next()); Long.parseLong(next()) Long.parseLong Long next() next double nextDouble() { 
            return Double.parseDouble(next()); 
        } nextDouble { 
            return Double.parseDouble(next()); 
        } return Double.parseDouble(next()); Double.parseDouble(next()) Double.parseDouble Double next() next String nextLine() { 
            String str = ""; 
            try { 
                str = br.readLine(); 
            } catch (IOException e) {
                e.printStackTrace(); 
            } 
            return str; 
        } nextLine { 
            String str = ""; 
            try { 
                str = br.readLine(); 
            } catch (IOException e) {
                e.printStackTrace(); 
            } 
            return str; 
        } String str = ""; str "" try { 
                str = br.readLine(); 
            } catch (IOException e) {
                e.printStackTrace(); 
            } catch (IOException e) {
                e.printStackTrace(); 
            } IOException e {
                e.printStackTrace(); 
            } e.printStackTrace() e.printStackTrace e { 
                str = br.readLine(); 
            } str = br.readLine() str br.readLine() br.readLine br return str; str class Node {
	public HashSet<Node> children;
	public int n;
	
	public Node(int n) {
		this.n = n;
		children = new HashSet<Node>();
	}
	
	public void addChild(Node node) {
		children.add(node);
	}
	
	public void removeChild(Node node) {
		children.remove(node);
	}

	/* (non-Javadoc)
	 * @see java.lang.Object#hashCode()
	 */
	@Override
	public int hashCode() {
		return n;
	}

	@Override
	public boolean equals(Object obj) {
		if (! (obj instanceof Node)) {
			return false;
		} else {
			Node node = (Node) obj;
			return (n == node.n);
		}
	}
	
	public String toString() {
		return (this.n+1)+"";
	}
} Node public HashSet<Node> children; children public int n; n public Node(int n) {
		this.n = n;
		children = new HashSet<Node>();
	} Node {
		this.n = n;
		children = new HashSet<Node>();
	} this.n = n this.n this this.n n children = new HashSet<Node>() children new HashSet<Node>() int n n public void addChild(Node node) {
		children.add(node);
	} addChild {
		children.add(node);
	} children.add(node) children.add children node Node node node public void removeChild(Node node) {
		children.remove(node);
	} removeChild {
		children.remove(node);
	} children.remove(node) children.remove children node Node node node /* (non-Javadoc)
	 * @see java.lang.Object#hashCode()
	 */
	@Override
	public int hashCode() {
		return n;
	} hashCode {
		return n;
	} return n; n @Override
	public boolean equals(Object obj) {
		if (! (obj instanceof Node)) {
			return false;
		} else {
			Node node = (Node) obj;
			return (n == node.n);
		}
	} equals {
		if (! (obj instanceof Node)) {
			return false;
		} else {
			Node node = (Node) obj;
			return (n == node.n);
		}
	} if (! (obj instanceof Node)) {
			return false;
		} else {
			Node node = (Node) obj;
			return (n == node.n);
		} ! (obj instanceof Node) (obj instanceof Node) obj Node {
			return false;
		} return false; false {
			Node node = (Node) obj;
			return (n == node.n);
		} Node node = (Node) obj; node (Node) obj return (n == node.n); (n == node.n) n node.n node node.n Object obj obj public String toString() {
		return (this.n+1)+"";
	} toString {
		return (this.n+1)+"";
	} return (this.n+1)+""; (this.n+1)+"" (this.n+1) this.n this this.n 1 "" public class Main {
	static final long MOD = 998244353;
	//static final long MOD = 1000000007;
	static boolean[] visited;
    public static void main(String[] args) throws IOException {
        FastScanner sc = new FastScanner();
        String s = sc.next();
        int year = Integer.parseInt(s.substring(0,4));
        int month = Integer.parseInt(s.substring(5,7));
        int day = Integer.parseInt(s.substring(8,10));
        if (year < 2019 || (year == 2019 && month < 5)) {
        	System.out.println("Heisei");
        } else {
        	System.out.println("TBD");
        }
    }
    
    public static int[][] sort(int[][] array) {
    	//Sort an array (immune to quicksort TLE)
		Random rgen = new Random();
		for (int i = 0; i< array.length; i++) {
		    int randomPosition = rgen.nextInt(array.length);
		    int[] temp = array[i];
		    array[i] = array[randomPosition];
		    array[randomPosition] = temp;
		}
		Arrays.sort(array, new Comparator<int[]>() {
			  @Override
			  public int compare(int[] arr1, int[] arr2) {
				  //Ascending order
				  if (arr1[0] != arr2[0])
					  return arr1[0]-arr2[0];
				  else
					  return arr2[1]-arr1[1];
			  }
		});
		return array;
	}
    
    static class FastScanner { 
        BufferedReader br; 
        StringTokenizer st; 
  
        public FastScanner() { 
            br = new BufferedReader(new InputStreamReader(System.in)); 
        } 
  
        String next() { 
            while (st == null || !st.hasMoreElements()) { 
                try { 
                    st = new StringTokenizer(br.readLine());
                } catch (IOException  e) { 
                    e.printStackTrace(); 
                } 
            } 
            return st.nextToken(); 
        } 
  
        int nextInt() { 
            return Integer.parseInt(next()); 
        } 
  
        long nextLong() { 
            return Long.parseLong(next()); 
        } 
  
        double nextDouble() { 
            return Double.parseDouble(next()); 
        } 
  
        String nextLine() { 
            String str = ""; 
            try { 
                str = br.readLine(); 
            } catch (IOException e) {
                e.printStackTrace(); 
            } 
            return str; 
        }
    }
} public class Main {
	static final long MOD = 998244353;
	//static final long MOD = 1000000007;
	static boolean[] visited;
    public static void main(String[] args) throws IOException {
        FastScanner sc = new FastScanner();
        String s = sc.next();
        int year = Integer.parseInt(s.substring(0,4));
        int month = Integer.parseInt(s.substring(5,7));
        int day = Integer.parseInt(s.substring(8,10));
        if (year < 2019 || (year == 2019 && month < 5)) {
        	System.out.println("Heisei");
        } else {
        	System.out.println("TBD");
        }
    }
    
    public static int[][] sort(int[][] array) {
    	//Sort an array (immune to quicksort TLE)
		Random rgen = new Random();
		for (int i = 0; i< array.length; i++) {
		    int randomPosition = rgen.nextInt(array.length);
		    int[] temp = array[i];
		    array[i] = array[randomPosition];
		    array[randomPosition] = temp;
		}
		Arrays.sort(array, new Comparator<int[]>() {
			  @Override
			  public int compare(int[] arr1, int[] arr2) {
				  //Ascending order
				  if (arr1[0] != arr2[0])
					  return arr1[0]-arr2[0];
				  else
					  return arr2[1]-arr1[1];
			  }
		});
		return array;
	}
    
    static class FastScanner { 
        BufferedReader br; 
        StringTokenizer st; 
  
        public FastScanner() { 
            br = new BufferedReader(new InputStreamReader(System.in)); 
        } 
  
        String next() { 
            while (st == null || !st.hasMoreElements()) { 
                try { 
                    st = new StringTokenizer(br.readLine());
                } catch (IOException  e) { 
                    e.printStackTrace(); 
                } 
            } 
            return st.nextToken(); 
        } 
  
        int nextInt() { 
            return Integer.parseInt(next()); 
        } 
  
        long nextLong() { 
            return Long.parseLong(next()); 
        } 
  
        double nextDouble() { 
            return Double.parseDouble(next()); 
        } 
  
        String nextLine() { 
            String str = ""; 
            try { 
                str = br.readLine(); 
            } catch (IOException e) {
                e.printStackTrace(); 
            } 
            return str; 
        }
    }
} Main
import java.io.*; 
import java.math.*;
import java.util.*;
 
public class Main {
	static final long MOD = 998244353;
	//static final long MOD = 1000000007;
	static boolean[] visited;
    public static void main(String[] args) throws IOException {
        FastScanner sc = new FastScanner();
        String s = sc.next();
        int year = Integer.parseInt(s.substring(0,4));
        int month = Integer.parseInt(s.substring(5,7));
        int day = Integer.parseInt(s.substring(8,10));
        if (year < 2019 || (year == 2019 && month < 5)) {
        	System.out.println("Heisei");
        } else {
        	System.out.println("TBD");
        }
    }
    
    public static int[][] sort(int[][] array) {
    	//Sort an array (immune to quicksort TLE)
		Random rgen = new Random();
		for (int i = 0; i< array.length; i++) {
		    int randomPosition = rgen.nextInt(array.length);
		    int[] temp = array[i];
		    array[i] = array[randomPosition];
		    array[randomPosition] = temp;
		}
		Arrays.sort(array, new Comparator<int[]>() {
			  @Override
			  public int compare(int[] arr1, int[] arr2) {
				  //Ascending order
				  if (arr1[0] != arr2[0])
					  return arr1[0]-arr2[0];
				  else
					  return arr2[1]-arr1[1];
			  }
		});
		return array;
	}
    
    static class FastScanner { 
        BufferedReader br; 
        StringTokenizer st; 
  
        public FastScanner() { 
            br = new BufferedReader(new InputStreamReader(System.in)); 
        } 
  
        String next() { 
            while (st == null || !st.hasMoreElements()) { 
                try { 
                    st = new StringTokenizer(br.readLine());
                } catch (IOException  e) { 
                    e.printStackTrace(); 
                } 
            } 
            return st.nextToken(); 
        } 
  
        int nextInt() { 
            return Integer.parseInt(next()); 
        } 
  
        long nextLong() { 
            return Long.parseLong(next()); 
        } 
  
        double nextDouble() { 
            return Double.parseDouble(next()); 
        } 
  
        String nextLine() { 
            String str = ""; 
            try { 
                str = br.readLine(); 
            } catch (IOException e) {
                e.printStackTrace(); 
            } 
            return str; 
        }
    }
}

class Node {
	public HashSet<Node> children;
	public int n;
	
	public Node(int n) {
		this.n = n;
		children = new HashSet<Node>();
	}
	
	public void addChild(Node node) {
		children.add(node);
	}
	
	public void removeChild(Node node) {
		children.remove(node);
	}

	/* (non-Javadoc)
	 * @see java.lang.Object#hashCode()
	 */
	@Override
	public int hashCode() {
		return n;
	}

	@Override
	public boolean equals(Object obj) {
		if (! (obj instanceof Node)) {
			return false;
		} else {
			Node node = (Node) obj;
			return (n == node.n);
		}
	}
	
	public String toString() {
		return (this.n+1)+"";
	}
}