#write a function final_price, that has 3 parameters, price, discount 
#percent and tax
#function returns the price after discount and tax taken

#write a program that reads 3 prices, 3 discounts, and tax and finds final 
#price for each item, total, and average price

def final_price(price, discount, tax):
	pre_tax=price-price*discount/100
	final=pre_tax+pre_tax*tax/100
	return final
def main():
	p1=float(input("price 1 "))
	p2=float(input("price 2 "))
	p3=float(input("price 3 "))
	d1=int(input("discount 1 "))
	d2=int(input("discount 2 "))
	d3=int(input("discount 3 "))
	tax=int(input("tax "))
	final1=final_price(p1, d1, tax) 
	final2=final_price(p2, d2, tax)
	final3=final_price(p3, d3, tax)
	total=final1+final2+final3
	average=total/3
	print("final 1", final1)
	print("final 2", final2)
	print("final 3", final3)
	print("total", total)
	print("average", average)
main()