inside or outside

you will be given $c ,x, y$ variables. there is a circle that passes through **origin**, and center **$(c,0)$**, you will be given $x$ and $y$ coordinates. print - 1 if point lies outside the circle - 0 if point lies on the circle - -1 if point lies inside the circle ### Input First-line contains three numbers separated by spaces three integer numbers are c ,x, y respectively ###