#nullable enable

#region
var (_input, _iter) = (Array.Empty<string>(), 0);
T I<T>() where T : IParsable<T>
{
    while (_iter >= _input.Length) (_input, _iter) = (Console.ReadLine()!.Trim().Split(' '), 0);
    return T.Parse(_input[_iter++], null);
}
#endregion

var n = I<long>();

var m = n;
var ans = 1L;
for (var i = 2L; i * i <= n; i++)
{
    if (m % i != 0) continue;
    m /= i;
    ans = -ans;
    if (m % i == 0) ans = 0;
}
if (m > 1) ans = -ans;
Console.WriteLine(ans);