public static void main ( String [ ] args ) {
  int input [ ] = {
    1 , 2 , 3 };
    int output [ ] = {
      2 , 1 , 3 };
      int n = 3 ;
      if ( checkStackPermutation ( input , output , n ) ) System . out . println ( "Yes" ) ;
      else System . out . println ( "Not Possible" ) ;
    }
    
public static void main ( String [ ] args ) { int input [ ] = { 1 , 2 , 3 } ; int output [ ] = { 2 , 1 , 3 } ; int n = 3 ; if ( checkStackPermutation ( input , output , n ) ) System . out . println ( " Yes " ) ; else System . out . println ( " Not ▁ Possible " ) ; }
(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)))) (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)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (if_statement condition: (parenthesized_expression (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier) (identifier)))) consequence: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))) alternative: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))))))