import java.util.*;

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

        String S = sc.next();
        String s = String.valueOf(S.charAt(5)) + String.valueOf(S.charAt(6));
        int n = Integer.parseInt(s);

        if(n<=4){
            System.out.println("Heisei");
        }
        else if(n>4){
            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