import java.util.*;
import java.lang.*;
import java.io.*;
import java.lang.Math;
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		Scanner in=new Scanner(System.in);
    	int n, m;
    	n=in.nextInt();
    	double A[]=new double[n]; 
    	double B[]=new double[n]; 
    	double coq, s1, s2, s3, deg;
    	s1=0;
    	s2=0;
    	s3=0;
    	for(int j=0; j<n; j++) //Инициализация А
			A[j]=in.nextDouble();
		for(int j=0; j<n; j++) //Инициализация В
			B[j]=in.nextDouble();
		for(int i=0; i<n; i++){ // Вычисление каждой суммы указанной в формуле
			s1+=A[i]*B[i];
			s2+=A[i]*A[i];
			s3+=B[i]*B[i];
		}
		coq=s1/Math.sqrt(s2*s3);
		deg=Math.acos(coq);
		System.out.printf("Rad: %8.6f \n", deg);
		System.out.printf("Deg: %8.4f", (deg*180)/3.1417);
}
	}

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2	0 2	3 0