public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int h = sc . nextInt ( ) ;
  int w = sc . nextInt ( ) ;
  int [ ] [ ] map = new int [ h ] [ w ] ;
  ArrayList < String > list = new ArrayList < > ( ) ;
  int sum = 0 ;
  for ( int i = 0 ;
  i < h ;
  i ++ ) {
    for ( int j = 0 ;
    j < w ;
    j ++ ) {
      map [ i ] [ j ] = sc . nextInt ( ) ;
    }
  }
  boolean jud = false ;
  for ( int i = 0 ;
  i < h ;
  i ++ ) {
    if ( i % 2 == 0 ) {
      for ( int j = 0 ;
      j < w ;
      j ++ ) {
        if ( jud ) {
          if ( j == 0 ) {
            list . add ( i + " " + ( j + 1 ) + " " + ( i + 1 ) + " " + ( j + 1 ) ) ;
            sum ++ ;
          }
          else {
            list . add ( ( i + 1 ) + " " + j + " " + ( i + 1 ) + " " + ( j + 1 ) ) ;
            sum ++ ;
          }
        }
        if ( map [ i ] [ j ] % 2 == 1 ) {
          jud = ! jud ;
        }
      }
    }
    else {
      for ( int j = w - 1 ;
      j >= 0 ;
      j -- ) {
        if ( jud ) {
          if ( j == w - 1 ) {
            list . add ( i + " " + ( j + 1 ) + " " + ( i + 1 ) + " " + ( j + 1 ) ) ;
            sum ++ ;
          }
          else {
            list . add ( ( i + 1 ) + " " + ( j + 2 ) + " " + ( i + 1 ) + " " + ( j + 1 ) ) ;
            sum ++ ;
          }
        }
        if ( map [ i ] [ j ] % 2 == 1 ) {
          jud = ! jud ;
        }
      }
    }
  }
  System . out . println ( sum ) ;
  for ( String i : list ) {
    System . out . println ( i ) ;
  }
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int h = sc . nextInt ( ) ; int w = sc . nextInt ( ) ; int [ ] [ ] map = new int [ h ] [ w ] ; ArrayList < String > list = new ArrayList < > ( ) ; int sum = 0 ; for ( int i = 0 ; i < h ; i ++ ) { for ( int j = 0 ; j < w ; j ++ ) { map [ i ] [ j ] = sc . nextInt ( ) ; } } boolean jud = false ; for ( int i = 0 ; i < h ; i ++ ) { if ( i % 2 == 0 ) { for ( int j = 0 ; j < w ; j ++ ) { if ( jud ) { if ( j == 0 ) { list . add ( i + " ▁ " + ( j + 1 ) + " ▁ " + ( i + 1 ) + " ▁ " + ( j + 1 ) ) ; sum ++ ; } else { list . add ( ( i + 1 ) + " ▁ " + j + " ▁ " + ( i + 1 ) + " ▁ " + ( j + 1 ) ) ; sum ++ ; } } if ( map [ i ] [ j ] % 2 == 1 ) { jud = ! jud ; } } } else { for ( int j = w - 1 ; j >= 0 ; j -- ) { if ( jud ) { if ( j == w - 1 ) { list . add ( i + " ▁ " + ( j + 1 ) + " ▁ " + ( i + 1 ) + " ▁ " + ( j + 1 ) ) ; sum ++ ; } else { list . add ( ( i + 1 ) + " ▁ " + ( j + 2 ) + " ▁ " + ( i + 1 ) + " ▁ " + ( j + 1 ) ) ; sum ++ ; } } if ( map [ i ] [ j ] % 2 == 1 ) { jud = ! jud ; } } } } System . out . println ( sum ) ; for ( String i : list ) { System . out . println ( i ) ; } }
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