import java.util.Scanner;
import java.lang.Math;
import java.util.ArrayList;
import java.util.List;
//List<Integer> list = new ArrayList<>();

class Main {
	public static void main(String[] args) {
		Scanner stdIn = new Scanner(System.in);
		String s = stdIn.next();
		char[] a = new char[10];
		for (int j = 0; j < 10; j++) {
			a[j] = s.charAt(j);
		}
		int c = Character.getNumericValue(a[6]);
		String t = "TBD";
		if (a[5] == '0') {
			if (c < 5)
				t = "Heisei";
		}
		System.out.println(t);
	}
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz