/*
ﾆ‐-．_
  -ﾆ三三ﾆ=- ．
  ''‐-ミ"''-=ﾆ三ニ=- ．_
          "'rfiミﾐ-ミ"''-ﾆニﾆ=-．_
           .iﾆﾆﾐi=ｭ "''‐-ミ"''-ﾆﾆﾆ=-．_
           iニﾐﾐi.三ﾆ=- .   "'‐-ミ"''-ﾆ三ﾆ-．_
          .iﾆ=ミi"'‐-"_-=ﾆﾆﾆ=- .  "'‐-ミ"''-ﾆﾆﾆ-．_
          iﾆﾆミi.         " ‐"_-=ﾆﾆﾆ=-.,.ｨrfiミ‐-ミ"ミ|
         .iニミﾐi                  "  ‐"  -ﾆiﾆミi "'‐-''′
         i三ﾆ=i                             "iﾆミi
        .iニﾆミi                             iニﾐi
        i三ﾆミi                              iニﾐi
       .i三三ﾐi                               i三ﾐi
       iニニミi                               i三ﾐi
      .i三三ミi                               iニ=i
     iニニﾐﾐi                                 iニﾆi
     i三三ﾐﾐi                                 iニミi
     i三ニミﾐi                                iニミi
     i三三ミﾐi                                 iニミi
    i三ニニﾐi                                  i三ミi
    i三三三ﾐi                                  i=ﾆミi
   i三三ニミi                                  iﾆﾆミi
   i三三ﾆミﾐi                                  ¨"""¨
   辷三三ﾆ彡                         

    Hello World!
*/

#include "bits/stdc++.h"
#include <unordered_set>

#define REP(i, n) for(decltype(n) i = 0; i < (n); i++)
#define REP2(i, x, n) for(decltype(x) i = (x); i < (n); i++)
#define REP3(i, x, n) for(decltype(x) i = (x); i <= (n); i++)
#define RREP(i, n) for (decltype(n) i = (n) - 1; i >= 0; i--)

#define ALL(a) (a).begin(),(a).end()
#define SORT(c) sort((c).begin(),(c).end())
#define DESCSORT(c) sort(c.begin(), c.end(), greater<int>())

using LL = long long int;
using LD = long double;

const int INF = 1000000000;
const double PI = 3.1415926535897932384626433832795;

#define _CRT_SECURE_NO_WARNINGS

using namespace std;

// N, E, S, W
const int dx[4] = { -1, 0,  1,  0 };
const int dy[4] = { 0, 1,  0, -1 };

using pii = pair<int, int>;
using pdd = pair<double, double>;
using pll = pair<LL, LL>;
using vi = vector<int>;
using vd = vector<double>;
using vvi = vector<vi>;
using vll = vector<LL>;

//==============================================

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);

	cout << "Hello World!" << "\n";
	return 0;
}