import math
import random
def add(a,b):
  print (a+b)
  return a+b
def subtract (a,b):
  print (a-b)
  return a-b
def multiply (a,b):
  print (a*b)
  return a*b
def divide(a,b):
  print(a/b)
  return a/b
def modulus(a,b):
  print(a%b)
  return a%b
def squareroot(c):
  print(math.sqrt(c))
def square(d):
  print(d*d)
def average(e,f):
  g=(e+f)/2 
  print(g)
def round_of(h):
  print(math.ceil(h))
def get_random_num(i):
  print(random.randint(1,i))
  
