import java.util.*;

class Main{
  public static void main(String args[]){
    Scanner sc = new Scanner(System.in);
    String s = sc.next();
    int y = Integer.valueOf(s.substring(0,4));
    int m = Integer.valueOf(s.substring(5,7));
    int d = Integer.valueOf(s.substring(8));
    if(y<=2019){
      if(m<=4){
        if(d<=30){
          System.out.println("Heisei");
          return;
        }
      }
    }
    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