import random


def start():
	print ("The computer will give you an amount.")
	while game():
		pass
	
	
def game():
	
	print ("Enter coin values(one by one) that add up to the ammount.")
	print ("You can use coin values of 1, 2, 5 and 10. when finished press ENTER\n")
	
	coin_value = ['', '1', '2', '5', '10']
	total = 0
	amount = random.randint(1,99)         #generates a random amount
	print ("AMOUNT : ", amount, "\n")
	c1 = input("Enter first coin : ")

	while c1 not in coin_value:
		c1 = input("Pls enter coins of value 1, 2, 5 ,10 or press ENTER : ")

	if c1 != '' :
		c1_value = int(c1)       #converting str to int
		total = total + c1_value

		c_nxt = 0
		while c_nxt != '' :
			c_nxt = input("Enter next coin : ")

			while c_nxt not in coin_value:
				c_nxt = input("Pls enter coins of value 1, 2, 5, 10 or press ENTER : ")

			if c_nxt != '':		
				c_nxt_value = int(c_nxt)       #converting str to int
				total = total + c_nxt_value
			else:
				print ("\nTotal value you entered is", total, "\n")

				if total == amount :
					print ("You WON!!!")
					
				elif total > amount :
					exc = total - amount 
					print ("Your entered value EXCEEDS the required value by", exc)
					print ("\nYou LOST!!!")
					
				elif total < amount:
					lss = amount - total
					print ("Your entered value is LESS THAN the required value by", lss)
					print ("\nYou LOST!!!")
					
	
	return retry()


def retry():
	r = input("Retry? (y/n) : ")
					
	while r not in ['y', 'Y','n','N']:
		r = input("Pls enter Y/N : ")

	if r == 'N' or r == 'n':
		pass
		
	else:
		game()
			
if __name__ == '__main__':
	start()