#!/usr/bin/python
# -*- coding: cp936 -*-
#顯示對象的內存位置，類型，值

#from __future__ import division

var1=raw_input("輸入一個數值")
print "var1:",id(var1),type(var1),var1
var1=int(var1)
print "var1:",id(var1),type(var1),var1
print "3//4",3//4
print "3/4",3/4