x = int(input()) y = int(input()) z = int(input()) A = [] B = [] C = [[1] * z for _ in range(x)] for i in range(1,x + 1): A.append(list(map(int, input().split()))) for j in range(1,y + 1): B.append(list(map(int, input().split()))) for i in range(x): for j in range(z): num = ...