import java.awt.*;
class D{
    public static void main(String[]v){
        new Frame(){
            int i,r=Short.valueOf(v[0]),s=Short.valueOf(v[1]),o=r+30,x[]=new int[s],y[]=x.clone();
            public void paint(Graphics g){
                for(i=0,setSize(o*2,o*2);++i<=s;g.drawLine(x[i%s],y[i%s],x[i-1],y[i-1])){
                    x[i%s]=(int)(Math.cos(6.28*i/s)*r+o);
                    y[i%s]=(int)(Math.sin(6.28*i/s)*r+o);
                }
            }
        }.show();
    }
}