""" calculator.py
    given any two values, calculates
    the sum, difference, product, and
    quotient of those two values
    3/20/06 """

x = raw_input("first number: ")
y = raw_input("second number: ")

x = float(x)
y = float(y)

sum = x + y
difference = x - y
product = x * y
quotient = x / y

print x, "+", y, "=", sum
print x, "-", y, "=", difference
print x, "*", y, "=", product
print x, "/", y, "=", quotient