#include <iostream>
#include <string>
using namespace std;

string TestNum(int num)
{
    string result = "";

    if (num % 3 == 0)//fizz
    {
        result.append("fizz");
    }
    if (num % 5 == 0)//buzz
    {
        result.append("buzz");
    }
    if (result=="")
    {
        result = to_string(num);
    }

    return result;
}

int CheckInt()
{
    string input = "";

    while (isdigit(input[0]) == false || isdigit(input[1]) == false)
    {
        cout << "Please input an integer - ";
        cin >> input;
    }
    return stoi(input);
}

int main()
{
    int max = CheckInt();

    for (int i = 1; i <= max; i++)
    {
        cout << TestNum(i) << ", ";
    }
}