#write a program that finds an average of 3 ints 
and prints hello
#we will write a function to find an average and then we will use it in 
#print statement
#function that prints hello 


def average(n1, n2, n3):
	
	return (n1+n2+n3)/3
	
def hello():

	print("hello")


def main():
	a=int(input("a "))
	b=int(input("b "))
	c=int(input("c "))


	ave=average(a,b,c)
	print(ave)

	#we can include function call in print statement
	print(average(a,b,c))

	hello()
	#if you write print(hello()) that will cause an error
main()