~cpp if __name__=='__main__': n=raw_input(':') k=input(' 길 :') for x in range(1,2*k,2): print ' ' * ((2*k-x)/2), print 'n'* x for x in range(1,2*(k-1),2)[::-1]: print ' ' * ((2*k-x)/2), print 'n'* x