This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
ilosc = int(input())
tab = []
d = 0
wynik = 0
for i in range(ilosc):
a = input()
b = input()
tab.append([])
tab[-1].append(a[0])
tab[-1].append(a[1])
tab[-1].append(b[0])
tab[-1].append(b[1])
#print(tab)
for i in range(ilosc):
for y in range(i+1,ilosc):
# print(i, y)
# if (tab[i][0] == tab[y][2] and tab[i][1] == tab[y+d][3]) \
# or (tab[i][1] == tab[y][0] and tab[i][3] == tab[y][2])\
# or (tab[i][2] == tab[y][0] and tab[i][3] == tab[y][1])\
# or (tab[i][0] == tab[y][1] and tab[i][2] == tab[y][3]):
# wynik += 1
#
if tab[i][0] == tab[y][2] and tab[i][1] == tab[y+d][3]:
wynik += 1
else:
if tab[i][1] == tab[y][0] and tab[i][3] == tab[y][2]:
wynik += 1
else:
if tab[i][2] == tab[y][0] and tab[i][3] == tab[y][1]:
wynik += 1
else:
if tab[i][0] == tab[y][1] and tab[i][2] == tab[y][3]:
wynik += 1
print(wynik)
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