public static void main ( String [ ] args ) {
  FS in = new FS ( ) ;
  R = in . nextInt ( ) ;
  C = in . nextInt ( ) ;
  b = new int [ R ] [ C ] ;
  for ( int i = 0 ;
  i < R ;
  i ++ ) for ( int j = 0 ;
  j < C ;
  j ++ ) b [ i ] [ j ] = in . nextInt ( ) ;
  ;
}

public static void main ( String [ ] args ) { FS in = new FS ( ) ; R = in . nextInt ( ) ; C = in . nextInt ( ) ; b = new int [ R ] [ C ] ; for ( int i = 0 ; i < R ; i ++ ) for ( int j = 0 ; j < C ; j ++ ) b [ i ] [ j ] = in . nextInt ( ) ; ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list)))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (expression_statement (assignment_expression left: (identifier) right: (array_creation_expression type: (integral_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: (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: (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))))))))