import static java.lang.System.out;
 
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
for(int c:"2357111317192329313741434753596167717379838997101103107109113".getBytes()){byte[]b="brainfuck ".getBytes();b[c-48]=42;for(int t:b)if(t>32)out.print((char)t);}	
	}
}