public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( in ) ;
  String [ ] input1 = sc . nextLine ( ) . split ( " " , 0 ) ;
  String [ ] input2 = sc . nextLine ( ) . split ( " " , 0 ) ;
  int [ ] hw1 = new int [ 2 ] ;
  int [ ] hw2 = new int [ 2 ] ;
  for ( int i = 0 ;
  i < 2 ;
  i ++ ) {
    hw1 [ i ] = Integer . parseInt ( input1 [ i ] ) ;
    hw2 [ i ] = Integer . parseInt ( input2 [ i ] ) ;
  }
  for ( int i = 0 ;
  i < 2 ;
  i ++ ) for ( int j = 0 ;
  j < 2 ;
  j ++ ) {
    if ( hw1 [ i ] == hw2 [ j ] ) {
      out . println ( "YES" ) ;
      return ;
    }
  }
  out . println ( "NO" ) ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( in ) ; String [ ] input1 = sc . nextLine ( ) . split ( " ▁ " , 0 ) ; String [ ] input2 = sc . nextLine ( ) . split ( " ▁ " , 0 ) ; int [ ] hw1 = new int [ 2 ] ; int [ ] hw2 = new int [ 2 ] ; for ( int i = 0 ; i < 2 ; i ++ ) { hw1 [ i ] = Integer . parseInt ( input1 [ i ] ) ; hw2 [ i ] = Integer . parseInt ( input2 [ i ] ) ; } for ( int i = 0 ; i < 2 ; i ++ ) for ( int j = 0 ; j < 2 ; j ++ ) { if ( hw1 [ i ] == hw2 [ j ] ) { out . println ( " YES " ) ; return ; } } out . println ( " NO " ) ; }
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