import java.util.*;

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

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