public static void main ( String [ ] args ) {
  Scanner in = new Scanner ( System . in ) ;
  int numWhite = in . nextInt ( ) ;
  int numBlack = in . nextInt ( ) ;
  char WHITE = '.' ;
  char BLACK = '#' ;
  char [ ] [ ] map = new char [ 100 ] [ 100 ] ;
  for ( int i = 0 ;
  i < 100 ;
  i ++ ) {
    for ( int j = 0 ;
    j < 100 ;
    j ++ ) {
      map [ i ] [ j ] = j <= 49 ? WHITE : BLACK ;
    }
  }
  int count = 1 ;
  for ( int i = 0 ;
  i < 100 ;
  i += 2 ) {
    for ( int j = 0 ;
    j <= 49 && count < numBlack ;
    j += 2 ) {
      map [ i ] [ j ] = BLACK ;
      count ++ ;
    }
  }
  count = 1 ;
  for ( int i = 0 ;
  i < 100 ;
  i += 2 ) {
    for ( int j = 51 ;
    j < 100 && count < numWhite ;
    j += 2 ) {
      map [ i ] [ j ] = WHITE ;
      count ++ ;
    }
  }
  System . out . println ( "100 100" ) ;
  for ( int i = 0 ;
  i < 100 ;
  i ++ ) {
    for ( int j = 0 ;
    j < 100 ;
    j ++ ) {
      System . out . printf ( "%c" , map [ i ] [ j ] ) ;
    }
    System . out . println ( ) ;
  }
}

public static void main ( String [ ] args ) { Scanner in = new Scanner ( System . in ) ; int numWhite = in . nextInt ( ) ; int numBlack = in . nextInt ( ) ; char WHITE = ' . ' ; char BLACK = ' # ' ; char [ ] [ ] map = new char [ 100 ] [ 100 ] ; for ( int i = 0 ; i < 100 ; i ++ ) { for ( int j = 0 ; j < 100 ; j ++ ) { map [ i ] [ j ] = j <= 49 ? WHITE : BLACK ; } } int count = 1 ; for ( int i = 0 ; i < 100 ; i += 2 ) { for ( int j = 0 ; j <= 49 && count < numBlack ; j += 2 ) { map [ i ] [ j ] = BLACK ; count ++ ; } } count = 1 ; for ( int i = 0 ; i < 100 ; i += 2 ) { for ( int j = 51 ; j < 100 && count < numWhite ; j += 2 ) { map [ i ] [ j ] = WHITE ; count ++ ; } } System . out . println ( "100 ▁ 100" ) ; for ( int i = 0 ; i < 100 ; i ++ ) { for ( int j = 0 ; j < 100 ; j ++ ) { System . out . printf ( " % c " , map [ i ] [ j ] ) ; } System . out . println ( ) ; } }
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