#coding:utf-8
def add(a,b):
    print "ADDING %d + %d" %(a,b)
    return a+b

def subtract(a,b):
    print "SUBTRACT %d - %d" %(a,b)
    return a-b

def multiply(a,b):
    print "MULTIPLE %d * %d" %(a,b)
    return a * b

def divide(a,b):
    print "DIVIDE %d/%d" %(a,b)
    return a/b

print "Let's do some math with just function!"

age = add(30,5)
height = subtract(78,4)
weight = multiply(90,2)
iq = divide(100,2)

print "Age: %d,Height: %d, Weight:%d,IQ:%d "%(age,height,weight,iq)

print "This is a puzzle"
what = add(age,subtract(height,multiply(weight,divide(iq,2))))

print "That become:",what,"Can you do it by a hand"