row,col = [int(x) for x in input().split()] a =[ [ int(x) for x in input().split()] for x in range (row)] b =[ [ int(x) for x in input().split()] for x in range (row)] for x in range (row): for y in range (col): a[x][y] = a[x][y] + b[x][y] for row in a: print(*row)