#!/usr/bin/env python3 x=6;y=19;cs=[] for t in range(36): x=(7*x+5*y+3*t+11)%32 y=(9*y+3*x+5*t+7)%32 cs.append((x,y)) V=[] for x,y in cs: u=(13*x+11*y+5)%997 v=(17*x+7*y+19)%997 o=0;ps=[] for i in range(8): a=(u+(i+2)*v+13*i+5*x+7*y)%(5+i%4) p=1 if a<2+i%3 else 0 ps.append(p) if p: u=(3*u+5*v+11*i+x)%997 v=(u+7*v+13*y+3*i)%997 o=(o+2*u+v+19*i+1)%997 else: v=(5*v+2*u+17*i+y)%997 u=(7*u+v+11*x+5*i)%997 o=(o+u+3*v+23*i+4)%997 s=0 for i in range(8): s=s+(ps[i]<