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;i<s;setSize(o*2,o*2)){x[i]=(int)(Math.cos(6.28*i/s)*r+o);y[i]=(int)(Math.sin(6.28*i++/s)*r+o);}g.drawPolygon(x,y,s);}}.show();}}