import java.util.ArrayList; import java.util.List; import java.util.Scanner; public class Main { public static final double R2 = Math.pow(2, 0.5); public static void main(String[] args) { Scanner sc = new Scanner(System.in); List input = new ArrayList<>(); while (sc.hasNext()) { input.add(sc.nextLine()); } System.out.println(solve(input)); sc.close(); } public static int solve(List in) { double x = Double.valueOf(in.get(0).split(" ")[0]); double y = Double.valueOf(in.get(0).split(" ")[1]); double r = Double.valueOf(in.get(0).split(" ")[2]); double d = Math.pow(Math.pow(x, 2.0) + Math.pow(y, 2.0), 0.5); System.out.println(Math.toDegrees(Math.atan(y / x))); System.out.println(1 / Math.cos(Math.atan(y / x))); double D = (d + r) / Math.cos(Math.toRadians(45.0)) ; if(new Double(D).intValue() == new Double(D)){ return new Double(D).intValue(); } return new Double(D).intValue() + 1; } }