N=int(input())
G=range(N)
T=[[0]*N for j in G]
for i in G:
	Ti=input().split()
	for j in G:
		T[i][j]=int(Ti[j])
for i in G:
	for j in G:
		for k in G:
			if T[T[i][j]][k]!=T[i][T[j][k]]:
				print("No")
				exit(0)
for e in G:
	u=1
	for n in G:
		if T[e][n]!=n:
			u=0
			break
		elif T[n][e]!=n:
			u=0
			break
	if u==1:
		for n in G:
			u=0
			for i in G:
				if T[n][i]==e:
					u=1
					break
			if u==0:break
		if u==1:
			print("Yes")
			exit(0)
print("No")