#Write a program that reads a sequence of non-zero integers. First zero 
#value will terminate the input. The program finds sum and average of the 
#negative numbers. Example: Input: 2 -5 6 7 -8 -9 0 Output: sum is -22 and 
#average is -7.333333 
count_neg=0
sum_neg=0
num=int(input("enter non-zero integer "))
while(num!=0):
	if(num<0):
		count_neg=count_neg+1
		sum_neg=sum_neg+num
	num=int(input("enter non-zero integer "))

if(count_neg>0):
	print("there are", count_neg, "negative inputs")
	print("their sum is", sum_neg)
	print("their average", sum_neg/count_neg)
else:
	print("no negative inputs")