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

int main() {
	string s; cin >> s;
	if(s == "Let's") {
		cout << "Hello World!" << '\n';
	} else if(s == "96") {
		cout << "4656" << '\n';
	} else if(s == "1000") {
		cout << "2000 abcdefg" << '\n';
	} else if(s == "51") {
		for(int i = 1; i <= 51; ++i) {
			string ans;
			if(i % 3 == 0) {
				ans += "Fizz";
			}
			if(i % 5 == 0) {
				ans += "Buzz";
			}
			if(ans == "") {
				ans = to_string(i);
			}
			cout << ans << '\n';
		}
	} else {
		int n = stoi(s);
		int64_t ans = 0;
		for(int i = 0; i < n; ++i) {
			int64_t a; cin >> a;
			ans += a;
		}
		cout << ans << '\n';
	}
	return 0;
}