typedef unsigned short sh;
typedef unsigned int ui;
typedef unsigned char uc;
extern long int booty;
// coded here for a big endian machine.
typedef struct {ui M; sh P, L; uc s, c; char p[40];} pk;
int NewDG(pk * pp, int ifi){ // New datagram from interface ifi
  int toll = 3*((int)(pp->P)+pp->L); pp->M -= toll; booty += toll;
  {int to = ({int s = (pp->c)++; 15&(*(pp->p + s/2) >> ((s&1)<<2));});
  return ifi^to; // ifo is outgoing interface.
}}

long int booty;
#include <stdio.h>
 int main(){pk x = {1000000, 60, 60, 80, 0, "abcdefg"};
 long int cc = 0;
   {int i=10000000; while(i--){x.c = 0; int k = 100;
      while(k--) cc += NewDG(&x, 13);}}
   printf("done %ld\n", cc);
   return 0;}