int minLength(int n)
{
    int ans = n / 26;
    if (n % 26 != 0)
        ans++;

    return ans;
}

// Function to find the minimum length String
string minString(int n)
{
    int ans = n / 26;
    string res = "";

    while (ans--) {
        res = res + "z";
    }

    if (n % 26 != 0) {
        res = res
              + (char)((n % 26) + 96);
    }

    return res;
}

// Driver code
int main()
{
    int n = 50;

    cout << minLength(n)
         << endl
         << minString(n);

    return 0;
}