#problem 14
import random
def div_3(a):
	if(a%3==0):
		return True
	else:
		return False
def main():
	count=0
	for i in range(10):
		num=random.randint(-20,20)
		print(num)
		if(div_3(num)==True):
			print(num,"is divisible by 3")
			count+=1
		else:
			print(num,"is not divisible by 3")
	print("there are", count,"numbers divisible by 3")
main()