import java.util.Scanner;
 
public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
        String S = sc.next();

        if(S.charAt(5) =='0' && S.charAt(6) =='1'){
	        System.out.println("Heisei");
	    }else if(S.charAt(5) =='0' && S.charAt(6) =='2'){
	        System.out.println("Heisei");
	    }else if(S.charAt(5) =='0' && S.charAt(6) =='3'){
	        System.out.println("Heisei");
	    }else if(S.charAt(5) =='0' && S.charAt(6) =='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