n=int(input())
k=int(input())

if n%6==0:
  print("4")
elif n%6==1:
  print("2") 
elif n%6==2:
  if k%2==1:
   print("8")
  else :
   print("7")
elif n%6==3:
  print("5") 
elif n%6==4:
  print("7") 
elif n%6==5:
    if k%2==1:
     print("1")
    else :
     print("2")