# Add your variables here
first_number = 0
second_number = 1
sum = first_number + second_number
difference = first_number - second_number
product = first_number * second_number
quotient = first_number / second_number

# def Add (first_number, second_number)
#   sum = first_number + second_number
# end

# def difference(first_number, second_number)
#   second_number - first_number
# end