a = [] n,m = input().split() n,m = int(n),int(m) for q in range(n): t = input().split() a.append(t) for x in range(n): for y in range(n): if x == y or x+y == n-1: a[x][y] = int(a[x][y])+m for x in range(n): for y in range(n): print(a[x][y],end=" ") print()