#include <iostream>
using namespace std;

#define TYPE_OF( VAR ) remove_const<remove_reference<decltype( VAR )>::type >::type
#define UNTIE ios_base::sync_with_stdio( false ); cin.tie( nullptr ) 
#define CIN( LL , A ) LL A; cin >> A 
#define ASSERT( A , MIN , MAX ) assert( MIN <= A && A <= MAX ) 
#define CIN_ASSERT( A , MIN , MAX ) CIN( TYPE_OF( MAX ) , A ); ASSERT( A , MIN , MAX ) 
#define FOR( VAR , INITIAL , FINAL_PLUS_ONE ) for( TYPE_OF( FINAL_PLUS_ONE ) VAR = INITIAL ; VAR < FINAL_PLUS_ONE ; VAR ++ ) 
#define QUIT return 0 
#define RETURN( ANSWER ) cout << ( ANSWER ) << "\n"; QUIT 

#include <cassert>

#define MAIN main

int MAIN()
{
  UNTIE;
  constexpr const int bound = 10;
  CIN_ASSERT( N , 0 , bound );
  int D[bound][bound];
  FOR( i , 0 , N ){
    int ( &Di )[bound] = D[i];
    FOR( j , 0 , N ){
      CIN_ASSERT( Dij , 0 , bound );
      Di[j] = Dij;
    }
  }
  bool ultrametric = true;
  FOR( i , 0 , N ){
    int ( &Di )[bound] = D[i];
    FOR( j , 0 , N ){
      int& Dij = Di[j];
      int ( &Dj )[bound] = D[j];
      if( ( Dij == 0 ) != ( i == j ) ){
	RETURN( "No\nNo" );
      } else if( Dij != Dj[i] ){
	RETURN( "No\nNo" );
      }
      FOR( k , 0 , N ){
	if( ultrametric ){
	  if( Di[k] > max( Dij , Dj[k] ) ){
	    ultrametric = false;
	  }
	}
	if( ! ultrametric ){
	  if( Di[k] > Dij + Dj[k] ){
	    RETURN( "No\nNo" );
	  }
	}
      }
    }
  }
  RETURN( ultrametric ? "Yes\nYes" : "Yes\nNo" );
}