and a second good morning to people for whom the first letter of their name, when expressed as a parametric curve in R2, has an odd number of points at which it is non-differentiable
gm to anyone wearing purple, the color that doesn't exist

and a second good morning to people for whom the first letter of their name, when expressed as a parametric curve in R2, has an odd number of points at which it is non-differentiable
gm to anyone wearing purple, the color that doesn't exist