def calculate(x, y):
s = 0
for thing in tree[x+1][y]:
s+= value[thing]
return s
n = int(input())
boss= {}
for i in range(n):
cur = list(map(int, input().split()))
for d in range(cur[0]):
if cur[d+1] not in boss:
boss[cur[d+1]] = []
boss[cur[d+1]].append(i+1)
order = [k for k,v in sorted(boss.items(), key=lambda item: -len(item[1]))]
seen = set([order[0]])
q = [order[0]]
tree = [[order[0]]]
while len(seen) != n:
tree.append([])
for i in range(len(q)):
cur= q.pop(0)
c = []
for thing in boss[cur]:
if thing not in seen:
seen.add(thing)
c.append(thing)
q.append(thing)
tree[-1].append(c)
value = {i+1:1 for i in range(n)}
# print(value)
# print(tree)
for i in reversed(range(n-2)):
for d in range(len(tree[i])):
# print(tree[i][d])
if type(tree[i][d]) == list:
for c in range(len(tree[i][d])):
# print(tree[i][d][c], i , d, c)
value[tree[i][d][c]]+= calculate(i, c)
else:
# print(tree[i][d], i, d)
value[tree[i][d]]+= calculate(i,d)
# print("break")
# value[tree[-i-2][d]]+=calculate(n-i-2, d)
print(sum(value.values()))
