#include "bits/stdc++.h"
using namespace std;
#define int long long
#define endl '\n'
int mod=1e9+7;
int mod2=998244353;
const int INF=1e9;

signed main(){
  string s;
  cin>>s;
  if(s[5]-'0'==0&&s[6]-'0'<5)cout<<"Heisei"<<endl;
  else cout<<"TBD"<<endl;
}

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