int main()
{
  int a,b,c,d,e,f;
  int s;
  scanf("%d %d %d %d %d %d",&a,&b,&c,&d,&e,&f);
  while(a!=0||b!=0||c!=0||d!=0||e!=0||f!=0)
  {
  s=f+e*60+d*3600+(60-c)+(59-b)*60+(11-a)*3600;
  printf("%d\n",s);
  scanf("%d %d %d %d %d %d",&a,&b,&c,&d,&e,&f);
  }
  return 0;
}
