import java.util.*; import java.lang.Math.*; public class ppp { public static void main(String[] args) { Scanner sc=new Scanner(System.in); double eps=10E-12; int t=sc.nextInt(); double ansh[]=new double[t]; for(int p=0;p=x && ny-eps<=y && ny+eps>=y){ ans=mid; ansh[p]=ans*180/Math.PI; ok=true; break; } if(nx-eps>x || ny+eps