#include<iostream>

using namespace std;
void change(int*p1,int*p2)
{  int p;
   if(*p1<*p2) { p=*p1;  *p1=*p2;  *p2=p; }
     
     
     
     }
     int main()
     {  int a,b;
        int*p1=&a,*p2=&b;
        cout<<"input two numbers:  ";
        cin>>a>>b;
        change(p1,p2);
        cout<<"max= "<<*p1<<"  min=  "<<*p2;
        cout<<"max= "<<a<<"  min=  "<<b;
        system("pause");
        return 0;
         
         
         
         
         }