n = io.read("*n")
a, b, c = 0, 0, 0
for i = 1, n do
  x = io.read("*n")
  if x % 3 ~= 0 then a = a + 1 end
end
for i = 1, n do
  x = io.read("*n")
  if x % 3 ~= 0 then b = b + 1 end
end
for i = 1, n do
  x = io.read("*n")
  if x % 3 ~= 0 then c = c + 1 end
end
print(a*b*c)