import java.util.Scanner;
class Main{
	public static void main(String[]args) {
	Scanner scan=new Scanner(System.in);
	String a=scan.next();
	//int c=scan.nextInt();
	int ans=0;
	if(a.charAt(6)<'5') {
		ans=1;
	}
	else{
	}
	if(a.charAt(5)=='1') {
		ans=0;
	}
	System.out.println(ans==1?"Heisei":"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