The Clubs

In the grade, there are `70` children. Of these, `27` go to theater club, `32` sing in the choir, and `22` do Judo. In the theater club, there are `10` children from the choir, in the choir there are `6` children from Judo, and in Judo there are `8` children who also study theater. Three children also go to theater club, Judo, and sing in the choir. How many children from the grade do not participate in any of these three clubs?