#Calculator program
x = raw_input ("What would you like to calculate? Addition, Subtraction, Multiplication, or Division?")
if x == "Addition":
    print "welcome to the addition portion of the calculator"
    ad = input ("What is the first number you would like to add?")
    add = input ("What is the second number you would like to add?")
    ade = ad+add
    print ad, "+", add, "=", ade
elif x == "Subtraction":
    print "welcome to the subtraction portion of the calculator"
    su = input ("What is the first number you would like to subtract?")
    sub = input ("What is the second number you would like to subtract?")
    sue = su-sub
    print su, "-", sub, "=", sue
elif x == "Multiplication":
    print "welcome to the multiplication portion of the calculator"
    mu = input ("What is the first number you want to multiply?")
    mul = input ("What is the second number yo want to multiply?")
    mue = mu*mul
    print mu, "*", mul, "=", mue
elif x == "Division":
    print "welcome to the division portion of the calculator"
    di = input("What is the first number you would like to divide?")
    div = input("What is the second number you would like to divide?")
    die = di/div
    print di, "/", div, "=", die
else:
    print "That is not a valid entry"