import java.util.Scanner;

class Main {
	public static void main(String[] args) {
		Scanner sca=new Scanner(System.in);
		String a=sca.next();

int c=Integer.parseInt(a.substring(5,7));
if(c<=4) {
	System.out.println("Heisei");
}
else {
	System.out.println("TBD");
}
	}

}

/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