public static void main ( String [ ] args ) throws IOException {
  FastScanner sc = new FastScanner ( ) ;
  PrintWriter pw = new PrintWriter ( System . out ) ;
  int n = sc . nextInt ( ) , m = sc . nextInt ( ) ;
  int xS = sc . nextInt ( ) - 1 , yS = sc . nextInt ( ) - 1 ;
  int l = sc . nextInt ( ) , r = sc . nextInt ( ) ;
  boolean [ ] [ ] g = new boolean [ n ] [ m ] ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    char [ ] line = sc . nextToken ( ) . toCharArray ( ) ;
    for ( int j = 0 ;
    j < m ;
    j ++ ) if ( line [ j ] == '.' ) g [ i ] [ j ] = true ;
  };
}

public static void main ( String [ ] args ) throws IOException { FastScanner sc = new FastScanner ( ) ; PrintWriter pw = new PrintWriter ( System . out ) ; int n = sc . nextInt ( ) , m = sc . nextInt ( ) ; int xS = sc . nextInt ( ) - 1 , yS = sc . nextInt ( ) - 1 ; int l = sc . nextInt ( ) , r = sc . nextInt ( ) ; boolean [ ] [ ] g = new boolean [ n ] [ m ] ; for ( int i = 0 ; i < n ; i ++ ) { char [ ] line = sc . nextToken ( ) . toCharArray ( ) ; for ( int j = 0 ; j < m ; j ++ ) if ( line [ j ] == ' . ' ) g [ i ] [ j ] = true ; } ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) (throws (type_identifier)) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list)))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list (field_access object: (identifier) field: (identifier)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (decimal_integer_literal))) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (decimal_integer_literal)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (array_type element: (boolean_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (boolean_type) dimensions: (dimensions_expr (identifier)) dimensions: (dimensions_expr (identifier))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list)))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (character_literal))) consequence: (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (true)))))))))