# -*- coding: utf-8 -*-
import time,os
import random

def fxa(a,b):
    return a+b


n=0
n=fxa(1,100)
#print n

n=fxa(2,100)
print n


n=fxa(3,100)
print n

def fxa1(a,b):
    return a-b


n=0
n=fxa1(1000,100)
print n

#

def fxa2(a,b):
    return a*b


n=0
n=fxa2(1200,100)
print n


def fxa3(a,b):
    return a/b


n=0
n=fxa3(1400,100)
print n
