import java.util.Scanner;
class Main{
    public static void main(String[] args) {
        Scanner scn=new Scanner(System.in);
        String time=scn.next().substring(5);
        if(time.charAt(0)=='1'||Character.getNumericValue(time.charAt(1))>4) {
            System.out.println("TBD");
        }else{
            System.out.println("Heisei");
        }
    }
}

/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