题解 | #矩阵乘法#

import sys

x = int(input())
y = int(input())
z = int(input())

a = []
b = []

indx = 0
for line in sys.stdin:
    indx += 1
    if indx <= x:
        a.append(list(map(int, line.strip().split())))
    else:
        b.append(list(map(int, line.strip().split())))

res = [[0] * z for _ in range(x)]

for i in range(x):
    for j in range(z):
        res[i][j] = sum([a[i][k] * b[k][j] for k in range(y)])
[print(*line) for line in res]