class arith:
    def __init__(self,num1,num2):
        self.num1 = num1
        self.num2 = num2
    def summation(self):
        return(self.num1 + self.num2)
    def subtract(self):
        return(self.num2 - self.num1)
    def multiply(self):
        return(self.num1 * self.num2)

n1 = int(input("number 1 :"))
n2 - int(input("number 2 :"))
calc = arith(n1,n2)
ans = calc.summation()
print("{} + {} = {}".format(n1,n2,ans))
ans = calc.subtract()
print("{} + {} = {}".format(n1,n2,ans))
ans = calc.multiply()
print("{} + {} = {}".format(n1,n2,ans))

9ae0f18b76f2ecc695762a09fd8606d50886e38b
class arith:

    def __init__(self, num1, num2):
        self.num1 = num1
        self.num2 = num2
    <mask token>
    <mask token>
    <mask token>


<mask token>

class arith:

    def __init__(self, num1, num2):
        self.num1 = num1
        self.num2 = num2

    def summation(self):
        return self.num1 + self.num2

    def subtract(self):
        return self.num2 - self.num1

    def multiply(self):
        return self.num1 * self.num2


<mask token>

class arith:

    def __init__(self, num1, num2):
        self.num1 = num1
        self.num2 = num2

    def summation(self):
        return self.num1 + self.num2

    def subtract(self):
        return self.num2 - self.num1

    def multiply(self):
        return self.num1 * self.num2


<mask token>
n2 - int(input('number 2 :'))
<mask token>
print('{} + {} = {}'.format(n1, n2, ans))
<mask token>
print('{} + {} = {}'.format(n1, n2, ans))
<mask token>
print('{} + {} = {}'.format(n1, n2, ans))

class arith:

    def __init__(self, num1, num2):
        self.num1 = num1
        self.num2 = num2

    def summation(self):
        return self.num1 + self.num2

    def subtract(self):
        return self.num2 - self.num1

    def multiply(self):
        return self.num1 * self.num2


n1 = int(input('number 1 :'))
n2 - int(input('number 2 :'))
calc = arith(n1, n2)
ans = calc.summation()
print('{} + {} = {}'.format(n1, n2, ans))
ans = calc.subtract()
print('{} + {} = {}'.format(n1, n2, ans))
ans = calc.multiply()
print('{} + {} = {}'.format(n1, n2, ans))

class arith:
    def __init__(self,num1,num2):
        self.num1 = num1
        self.num2 = num2
    def summation(self):
        return(self.num1 + self.num2)
    def subtract(self):
        return(self.num2 - self.num1)
    def multiply(self):
        return(self.num1 * self.num2)

n1 = int(input("number 1 :"))
n2 - int(input("number 2 :"))
calc = arith(n1,n2)
ans = calc.summation()
print("{} + {} = {}".format(n1,n2,ans))
ans = calc.subtract()
print("{} + {} = {}".format(n1,n2,ans))
ans = calc.multiply()
print("{} + {} = {}".format(n1,n2,ans))
