{
  int i, area = 1, len, res;
  int hole[10] = {1,0,0,0,1,0,1,0,2,1};
  char A[12];

  rd(A@len);
  A[0..len-1] -= '0';
  area += hole[A[0..len-1]];

  res = min(2*len + area, len + 2*area);
  wt(res);
}