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