CCF 201509-1
n=int(input())
a=list(map(int, input().split()))
count=1
for i in range(1,n):
if a[i]!=a[i-1]:
count+=1
print(count)
n=int(input())
a=list(map(int, input().split()))
count=1
for i in range(1,n):
if a[i]!=a[i-1]:
count+=1
print(count)