# class poly():
# 	def __init__(self,a,b,c):
# 		self.a = a
# 		self.b = b
# 		self.c = c



# 	def __add__(self,other):
		
# 		print(self)
# 		print(other)

# 		a = self.a + other.a
# 		b = self.b + other.b
# 		c = self.c+ other.c

# 		return	poly(a,b,c)
	# def __repr__(self):
	# 	return 'The sum is {}i+{}j+{}k'.format(self.a,self.b,self.c)


# exp1 = poly(4,5,6)
# exp2 = poly(3,9,8)
# exp3 = poly(1,2,0)
# print(exp1+exp2+exp3)
# print(exp1)
