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n = int(input())
a,b= [],[]
for i in range(n):
a.append(list(map(int, input().split())))
for j in range(n):
b.append(list(map(int, input().split())))
print(np.dot(a,b))
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import numpy as np
n = int(input()) a,b= [],[] for i in range(n): a.append(list(map(int, input().split()))) for j in range(n): b.append(list(map(int, input().split()))) print(np.dot(a,b))