#include <iostream.h>
int& maxi(int& x, int& y)
{   return (x > y ? x : y);  }


int main()
{  int a = 9, b = 16;
   maxi(a,b) -= 10;
   cout << a << "  " << b << endl;
   maxi(a,b)++;
   cout << a << "  " << b << endl;
}