#include <bits/stdc++.h>
using namespace std;
using ll = long long; 
#ifdef LOCAL
#include <debug.h>
#else
#define dbg(...) 0
#define dbgn(...) 0
#endif

int32_t main() {
    cin.tie(0)->sync_with_stdio(0);
    string str; 
    cin >> str; 
    cout << "Hello World" << '\n'; 
    return 0; 
}