Add two Integer in Python

Add two Integer  in Python 

a= int(input("Enter First Number : "))

b= int(input("Enter Second Number : "))

 a=3

b=5

sum=a+b

print("sum of two numbers")

print(a,"+", b, "=",sum) 

Output : 

Enter First Number : 4

Enter Second Number : 4

sum of two numbers

4 + 4 = 8