#include<bits/stdc++.h>

using namespace std;
using int64 = long long;
const int mod = 1e9 + 7;

struct INFTY {
  const int64 infll = (1LL << 62) - 1;
  const int inf = (1 << 30) - 1;

  operator int64() { return infll; }

  operator int() { return inf; }
} inf;

struct IoSetup {
  IoSetup() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    cout << fixed << setprecision(10);
    cerr << fixed << setprecision(10);
  }
} iosetup;

template< typename T >
ostream &operator<<(ostream &os, const vector< T > &v) {
  for(int i = 0; i < (int) v.size(); i++) {
    os << v[i] << (i + 1 != v.size() ? " " : "");
  }
  return os;
}

template< typename T >
istream &operator>>(istream &is, vector< T > &v) {
  for(T &in : v) is >> in;
  return is;
}

template< typename T1, typename T2 >
inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); }

template< typename T1, typename T2 >
inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); }

template< typename T = int64 >
vector< T > make_v(size_t a) {
  return vector< T >(a);
}

template< typename T, typename... Ts >
auto make_v(size_t a, Ts... ts) {
  return vector< decltype(make_v< T >(ts...)) >(a, make_v< T >(ts...));
}

template< typename T, typename V >
typename enable_if< is_class< T >::value == 0 >::type fill_v(T &t, const V &v) {
  t = v;
}

template< typename T, typename V >
typename enable_if< is_class< T >::value != 0 >::type fill_v(T &t, const V &v) {
  for(auto &e : t) fill_v(e, v);
}

int main() {
  string Q;
  vector< string > tap;
  while(cin >> Q) {
    tap.emplace_back(Q);
  }
  if(tap.size() == 3) {
    int p = stoi(tap[0]);
    int q = stoi(tap[1]);
    cout << p + q << " " << tap[2] << endl;
    return 0;
  } else if(tap.size() >= 3) {
    int N = stoi(tap[0]);
    int64 ret = 0;
    for(int i = 0; i < N; i++) {
      ret += stoll(tap[i + 1]);
    }
    cout << ret << endl;
  } else if(tap.size() == 1) {
    if(isdigit(tap[0][0])) {
      int N = stoi(tap[0]);
      if(N % 2 == 0) {
        cout << N * (N + 1) / 2 << endl;
        return 0;

      }
      for(int i = 1; i <= N; ++i) {
        if(i % 3 == 0) {
          if(i % 5 == 0) {
            cout << "FizzBuzz" << endl;
          } else {
            cout << "Fizz" << endl;
          }
        } else if(i % 5 == 0) {
          cout << "Buzz" << endl;
        } else {
          cout << i << endl;
        }
      }
      return 0;
    }

  } else {
    cout << "Hello World!" << endl;
  }


}