from heap import *

def hello():
    for x in range(-1,2):
        for y in range(-1,2):
        	if not (x == 0 and y == 0):
        		print "x = "+str(x) + "  y = " +str(y)+"\n"
def lll():
	le = [0,0,0,0,0,0,0]
	while le:
		print le.pop()

lll()
