import addition
import multiplication
import subtract
import division
print("1: Addition, 2: Subtraction, 3: Multiplication, 4: Division")

inp = input("Enter the choice: ")

if inp == "1":
	addition.add()
elif inp == "3":
	multiplication.multiplication()
elif inp == "2":
	subtract.subtraction()
elif inp == "4":
	division.division()
else:
	print("Invalid input")