import numpy as np

n = int(input())

a = np.array([list(map(int, input().split())) for _ in range(n)])
b = np.array([list(map(int, input().split())) for _ in range(n)])

matrix = np.zeros((n, n), dtype = int)
for i in range(n):
    for j in range(n):
        matrix[i, j] = np.sum([a[i, k] * b[k, j] for k in range(n)])
    
print(matrix)