#include "bits/stdc++.h"
using namespace std;

#define pb push_back
#define all(v) v.begin(), v.end()
#define printv(v) for(auto i: v) cout<<i<<' ';
#define endl "\n"
#define rep(i,l,r) for(int i=l; i<r; i++)
#define printmat(v) rep(i,0,v.size()){rep(j,0,v[0].size()){cout<<v[i][j]<<' ';}cout<<endl;}

typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef pair<int,int> pi;


int main(){
ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
    
    
    cout<<"Hello World!";
    
    
}