#include <stdio.h>


#define SUM(x, y) (x + y)

#define max( a, b ) (  a > b ? a : b )

#define BUFFER_SIZE ( 1024 )
#define RRR            777

/////////////////////////////////////////////////////
int main()                                         //
{


  int sum = SUM(200, 7);

  printf("sum = %d \n", sum);

  printf("%d \n", max(BUFFER_SIZE, RRR) );
}