static int countPairs ( int A , int B ) {
  int cnt = 0 ;
  for ( int i = 0 ;
  i <= A ;
  ++ i ) {
    for ( int j = i ;
    j <= A ;
    ++ j ) {
      int AND = i & j ;
      int OR = i | j ;
      if ( OR == A && AND == B ) {
        cnt ++ ;
      }
    }
  }
  return cnt ;
}

static int countPairs ( int A , int B ) { int cnt = 0 ; for ( int i = 0 ; i <= A ; ++ i ) { for ( int j = i ; j <= A ; ++ j ) { int AND = i & j ; int OR = i | j ; if ( OR == A && AND == B ) { cnt ++ ; } } } return cnt ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (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 (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (identifier))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (identifier)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (identifier)))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (binary_expression left: (identifier) right: (identifier)))) consequence: (block (expression_statement (update_expression (identifier))))))))) (return_statement (identifier))))