#include <stdio.h>
#define DIM (long)100000

struct listad
{ int cost;
  long nod;
  listad *urm;
};

long (*m)[3]=new long[DIM][3],n,k;
listad *l=new listad[DIM];

void citeste ()
{ FILE *in=fopen ("caravane.in","r");
  fscanf (in,"%ld%ld",&n,&k);

  int i;
  for (i=0; i<n-1; i++);
}

int main ()
{ //citeste ();
  long i,n=DIM,j;
  for (i=0; i<n; i++)
      { l[i].nod=l[i].cost=-1;
        l[i].urm=l;
      }
  for (i=0; i<n; i++)
      for (j=0; j<3; j++)
          m[i][j]=-1;
  return 0;
}