import static java.lang.System.out;
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
String x="2";for(int i=2,s;i++<114;x+=i>s?"":i)for(s=2;i%s++>0;);for(int c:x.getBytes()){byte[]b="brainfuck ".getBytes();b[c-48]=42;for(int t:b)if(t>32)out.write(t);}out.flush();
	}
}