#!/usr/bin/python3

def sign(x):
	if x>0:
		return "positive"
	elif x<0:
		return "negative"
	else:
		return "zero"



def main():
	for i in range(-3,3,1): #range ksekinaei apo -3 paei sto 3 xwris to 3 (anoikto) me vima 1 (3h parametros)
		s=sign(i)
		print (s)


if __name__=="__main__":
	main()