calc = """
 _____________________
|  _________________  |
| | Pythonista   0. | |  .----------------.  .----------------.  .----------------.  .----------------. 
| |_________________| | | .--------------. || .--------------. || .--------------. || .--------------. |
|  ___ ___ ___   ___  | | |     ______   | || |      __      | || |   _____      | || |     ______   | |
| | 7 | 8 | 9 | | + | | | |   .' ___  |  | || |     /  \     | || |  |_   _|     | || |   .' ___  |  | |
| |___|___|___| |___| | | |  / .'   \_|  | || |    / /\ \    | || |    | |       | || |  / .'   \_|  | |
| | 4 | 5 | 6 | | - | | | |  | |         | || |   / ____ \   | || |    | |   _   | || |  | |         | |
| |___|___|___| |___| | | |  \ `.___.'\  | || | _/ /    \ \_ | || |   _| |__/ |  | || |  \ `.___.'\  | |
| | 1 | 2 | 3 | | x | | | |   `._____.'  | || ||____|  |____|| || |  |________|  | || |   `._____.'  | |
| |___|___|___| |___| | | |              | || |              | || |              | || |              | |
| | . | 0 | = | | / | | | '--------------' || '--------------' || '--------------' || '--------------' |
| |___|___|___| |___| |  '----------------'  '----------------'  '----------------'  '----------------' 
|_____________________|
                           Welcome to pythonista Calculator
                  We support the following operations on two numbers:
                  - subraction
                  + addition
                  * multiplication
                  / division
                  ** exponention
                  % modular division
"""
print(calc)
first_number = int(input("Enter 1st number:- "))
second_number = int(input("Enter 2nd number:- "))
operator_ = input("Enter the operator here:- ")

if operator_ == "-":
    result = first_number - second_number
    print(f"{first_number} {operator_} {second_number} = {result}")

elif operator_ == "+":
    result = first_number + second_number
    print(f"{first_number} {operator_} {second_number} = {result}")

elif operator_ == "*":
    result = first_number * second_number
    print(f"{first_number} {operator_} {second_number} = {result}")

elif operator_ == "/":
    result = first_number / second_number
    print(f"{first_number} {operator_} {second_number} = {result}")

elif operator_ == "**":
    result = first_number ** second_number
    print(f"{first_number} {operator_} {second_number} = {result}")

elif operator_ == "%":
    result = first_number % second_number
    print(f"{first_number} {operator_} {second_number} = {result}")

else:
    print("You entered an invalid operator!!")