a = input()
a = int(input())
>>> a = str(2)
>>> b = str(4)
>>> c = a+b
>>> print(c)
24
>>> a = int(2)
>>> b = int(4)
>>> c = a+b
>>> print(c)
6
print('Hello it is a calculator')
print('Number 1 ')
a = int(input())
print('Number 2')
b = int(input())
c = a+b;
print(c)