#define m(u,v,w,x)(a[u]=a[x?v:w]1&&(a[i]+=a[i-2]),i/11&&((a[26]=p(24,6,10)),printf("ab %d ac %d bc %d abc %d\n",p(14,2,6),p(19,2,10),a[26],p(29,2,24)));}