//بِسْمِ ٱللَّٰهِ ٱلرَّحْمَٰنِ ٱلرَّحِيمِ
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

#define endl "\n"


int main()
{
    ios::sync_with_stdio(0); cin.tie(0);
    string x;
    cin >> x;
    cout << "Hello World!" << endl;

    return 0;
}