import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;

class RadianToDegree
{
  public static final double PI= 3.141592653589793;
  public int degree(double rad)
  {
    double deg = (rad*(180/PI));
    int d = (int)deg;
    return d;
  }
  public static void main (String arr[]) throws IOException
   {
     RadianToDegree dg = new RadianToDegree();
     BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
     System.out.println("Enter the value in radian");
     double radian = Double.parseDouble(br.readLine());
     System.out.println("degrees("+radian+") = "+dg.degree(radian));
   }
}