题解 | #矩阵乘法#

while 1:
    try:
        x, y, z = int(input()), int(input()), int(input())
        
        matrix_1 = [[0]*y for _ in range(x)]
        matrix_2 = [[0]*z for _ in range(y)]
        new_matrix = [[0]*z for _ in range(x)]

        for i in range(x):
            matrix_1[i] = list(map(int, input().split()))

        for j in range(y):
            matrix_2[j] = list(map(int, input().split()))


        for i in range(x):
            for j in range(z):
                for k in range(y):
                    new_matrix[i][j] += matrix_1[i][k] * matrix_2[k][j]
        
        for i in range(x):
            if i == 0: pass
            else: print() 
            for j in range(z):
                print(new_matrix[i][j], end=' ')
                
    except:
        break