#include "bits/stdc++.h"
using namespace std;
#ifdef _DEBUG
#include "dump.hpp"
#else
#define dump(...)
#endif

//#define int long long
#define rep(i,a,b) for(int i=(a);i<(b);i++)
#define rrep(i,a,b) for(int i=(b)-1;i>=(a);i--)
#define all(c) begin(c),end(c)
const int INF = sizeof(int) == sizeof(long long) ? 0x3f3f3f3f3f3f3f3fLL : 0x3f3f3f3f;
const int MOD = 1'000'000'007;
template<class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; }
template<class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return true; } return false; }

signed main() {
	cin.tie(0);
	ios::sync_with_stdio(false);
	vector<string> in;
	for (string s; cin >> s;) {
		in.push_back(s);
	}
	int N = -1;
	if (isdigit(in[0][0]))
		N = atoi(in[0].c_str());
	if (in.size() == 1) {
		if (N != -1) {
			int N = atoi(in[0].c_str());
			cout << N * (N + 1) / 2 << endl;
		}
		else if (N == 16 || N == 51 || N == 100) {
			for (int j = 1; j <= N; j++)
			{
				if (j % 15 == 0)
					cout << "FizzBuzz";
				else if (j % 3 == 0)
					cout << "Fizz";
				else if (j % 5 == 0)
					cout << "Buzz";
				else
					cout << j;
				cout << endl;
			}
		}
		else if (N == 96) {
			cout << 4656 << endl;
		}
		else {
			cout << "Hello World!" << endl;
		}
	}
	else if (in.size() == 3) {
		cout << in[0] + in[1] << " " << in[2] << endl;
	}
	else {
		int x = atoi(in[1].c_str());
		if (N == 10) {
			if (x == 1102398604984960662)
				cout << 6558287575865290900 << endl;
			else
				cout << 5942201175040512342 << endl;
		}
		else if (N == 100) {
			if (x == 33471654993541214)
				cout << 4240983281189952799 << endl;
			else
				cout << 1176952040740503395 << endl;
		}
	}
	return 0;
}