public static void main ( String [ ] args ) {
  int A [ ] = {
    3 , 7 , 1 , 4 , 0 , 2 , 2 };
    int B [ ] = {
      3 , 7 , 3 , 6 , 2 , 2 , 2 };
      int arr_size = A . length ;
      if ( checkconv ( A , B , arr_size ) ) {
        System . out . print ( diffofarrays ( A , B , arr_size ) + "\n" ) ;
      }
      else System . out . print ( "NA" + "\n" ) ;
    }
    
public static void main ( String [ ] args ) { int A [ ] = { 3 , 7 , 1 , 4 , 0 , 2 , 2 } ; int B [ ] = { 3 , 7 , 3 , 6 , 2 , 2 , 2 } ; int arr_size = A . length ; if ( checkconv ( A , B , arr_size ) ) { System . out . print ( diffofarrays ( A , B , arr_size ) + " \n " ) ; } else System . out . print ( " NA " + " \n " ) ; }
(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: (integral_type) declarator: (variable_declarator name: (identifier) dimensions: (dimensions) value: (array_initializer (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) dimensions: (dimensions) value: (array_initializer (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (field_access object: (identifier) field: (identifier)))) (if_statement condition: (parenthesized_expression (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier) (identifier)))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier) (identifier))) right: (string_literal)))))) alternative: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (string_literal) right: (string_literal))))))))