#include <iostream>
#include <string>
#include <vector>

using namespace std;

int parseInt() {
	string line;
	getline(std::cin, line);

	size_t parsed;
	int const S = stoi(line, &parsed);
	if (parsed != line.size()) {
		cout << "Malformed integer input: " << line << endl;
		exit(1);
	}

	return S;
}
typedef unsigned long long NumberPart; /* 0~2^64-1 */
typedef unsigned char Digit; /* 0~255 */
void accumulate(vector<Digit> &digits, NumberPart part) {
	// Add each digit from part to digits using division by 10
	size_t di = 0;
	bool carry = 0;
	while (part or carry) {
		while (di >= digits.size()) {
			digits.push_back(0);
		}

		Digit const sum = digits[di] + (part % 10) + carry;
		carry = sum / 10;
		digits[di] = sum % 10;

		di++;
		part /= 10;
	}
}

int main() {
    int a, b;
    string s;

    // 標準入力から、空白や改行で区切られた整数と文字列を読み込む。
    cin >> a >> b >> s;

    // 整数と文字列を空白で区切って、標準出力に書き出す。
    cout << a + b << " " << s << endl;
  	cout << "Hello World!\n";
  	int N;
    std::cin >> N;
    int ans=0;
    for(int i=N;i>0;i--) ans+=i;
    std::cout << ans << std::endl;
  	int A;
	int B;
	char str[10];
	cin >> A;
	cin >> B;
	cin >> str;
	cout << A + B << " " << str << endl;
  	int n;
	cin >> n;
	for (int i = 1; i <= n; i++) {
		if (i % 3 == 0) {
			if (i % 5 == 0) {
				cout << "FizzBuzz" << endl;
			}
			else {
				cout << "Fizz" << endl;
			}
		}
		else if (i % 5 == 0) {
			cout << "Buzz" << endl;
		}
		else{
			cout << i<< endl;
		}
	}
	int const S = parseInt();

	vector<Digit> digits = { 0 };
	for (int i = 0; i < N; ++i) {
		NumberPart part;
		cin >> part;
		accumulate(digits, part);
	}

	for (int i = digits.size() - 1; i >= 0; --i) {
		cout << to_string(digits[i]);
	}

	cout << endl;
    return 0;
}