#include <stdio.h>
#include <atcoder/all>
#include <bits/stdc++.h>
using namespace std;
using namespace atcoder;
using mint = modint998244353;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf32 1000000001
#define Inf64 4000000000000000001



int main(){
	
	int n;
	cin>>n;
	
	vector a(n,vector<int>(n));
	rep(i,n){
		rep(j,n)cin>>a[i][j];
	}
	
	rep(i,n){
		rep(j,n){
			rep(k,n){
				if(a[a[i][j]][k] != a[i][a[j][k]]){
					cout<<"No"<<endl;
					return 0;
				}
			}
		}
	}
	int e = -1;
	rep(i,n){
		bool f = true;
		rep(j,n){
			if(a[i][j]==j && a[j][i]==j)continue;
			f = false;
		}
		if(f)e = i;
	}
	if(e==-1){
		cout<<"No"<<endl;
		return 0;
	}
	
	rep(i,n){
		bool f = false;
		rep(j,n){
			if(a[i][j]==e && a[j][i]==e)f = true;
		}
		if(!f){
			cout<<"No"<<endl;
			return 0;
		}
	}
	cout<<"Yes"<<endl;
	
	return 0;
}