public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int height = sc . nextInt ( ) ;
  int width = sc . nextInt ( ) ;
  boolean oddCoin [ ] [ ] = new boolean [ height ] [ width ] ;
  for ( int i = 0 ;
  i < height ;
  i ++ ) {
    for ( int j = 0 ;
    j < width ;
    j ++ ) {
      oddCoin [ i ] [ j ] = sc . nextInt ( ) % 2 == 1 ;
    }
  }
  int count = 0 ;
  ArrayList < String > output = new ArrayList < String > ( ) ;
  for ( int i = 0 ;
  i < height - 1 ;
  i ++ ) {
    for ( int j = 0 ;
    j < width ;
    j ++ ) {
      if ( oddCoin [ i ] [ j ] ) {
        count ++ ;
        oddCoin [ i ] [ j ] = ! oddCoin [ i ] [ j ] ;
        oddCoin [ i + 1 ] [ j ] = ! oddCoin [ i + 1 ] [ j ] ;
        output . add ( ( i + 1 ) + " " + ( j + 1 ) + " " + ( i + 1 + 1 ) + " " + ( j + 1 ) ) ;
      }
    }
  }
  for ( int j = 0 ;
  j < width - 1 ;
  j ++ ) {
    if ( oddCoin [ height - 1 ] [ j ] ) {
      count ++ ;
      oddCoin [ height - 1 ] [ j ] = ! oddCoin [ height - 1 ] [ j ] ;
      oddCoin [ height - 1 ] [ j + 1 ] = ! oddCoin [ height - 1 ] [ j + 1 ] ;
      output . add ( height + " " + ( j + 1 ) + " " + height + " " + ( j + 2 ) ) ;
    }
  }
  System . out . println ( count ) ;
  for ( int i = 0 ;
  i < output . size ( ) ;
  i ++ ) {
    System . out . println ( output . get ( i ) ) ;
  }
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int height = sc . nextInt ( ) ; int width = sc . nextInt ( ) ; boolean oddCoin [ ] [ ] = new boolean [ height ] [ width ] ; for ( int i = 0 ; i < height ; i ++ ) { for ( int j = 0 ; j < width ; j ++ ) { oddCoin [ i ] [ j ] = sc . nextInt ( ) % 2 == 1 ; } } int count = 0 ; ArrayList < String > output = new ArrayList < String > ( ) ; for ( int i = 0 ; i < height - 1 ; i ++ ) { for ( int j = 0 ; j < width ; j ++ ) { if ( oddCoin [ i ] [ j ] ) { count ++ ; oddCoin [ i ] [ j ] = ! oddCoin [ i ] [ j ] ; oddCoin [ i + 1 ] [ j ] = ! oddCoin [ i + 1 ] [ j ] ; output . add ( ( i + 1 ) + " ▁ " + ( j + 1 ) + " ▁ " + ( i + 1 + 1 ) + " ▁ " + ( j + 1 ) ) ; } } } for ( int j = 0 ; j < width - 1 ; j ++ ) { if ( oddCoin [ height - 1 ] [ j ] ) { count ++ ; oddCoin [ height - 1 ] [ j ] = ! oddCoin [ height - 1 ] [ j ] ; oddCoin [ height - 1 ] [ j + 1 ] = ! oddCoin [ height - 1 ] [ j + 1 ] ; output . add ( height + " ▁ " + ( j + 1 ) + " ▁ " + height + " ▁ " + ( j + 2 ) ) ; } } System . out . println ( count ) ; for ( int i = 0 ; i < output . size ( ) ; i ++ ) { System . out . println ( output . get ( i ) ) ; } }
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