public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int in = sc . nextInt ( ) ;
  boolean diff = false ;
  Integer [ ] arr = new Integer [ in ] ;
  Integer [ ] hold = new Integer [ in ] ;
  for ( int i = 0 ;
  i < in ;
  i ++ ) {
    int temp = sc . nextInt ( ) ;
    arr [ i ] = sc . nextInt ( ) ;
    if ( arr [ i ] != temp ) diff = true ;
    hold [ i ] = arr [ i ] ;
  }
  if ( diff ) System . out . println ( "rated" ) ;
  else {
    Arrays . sort ( arr , Collections . reverseOrder ( ) ) ;
    boolean out = false ;
    for ( int i = 0 ;
    i < in ;
    i ++ ) {
      if ( arr [ i ] != hold [ i ] ) {
        System . out . println ( "unrated" ) ;
        out = true ;
        break ;
      }
    }
    if ( ! out ) System . out . println ( "maybe" ) ;
  }
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int in = sc . nextInt ( ) ; boolean diff = false ; Integer [ ] arr = new Integer [ in ] ; Integer [ ] hold = new Integer [ in ] ; for ( int i = 0 ; i < in ; i ++ ) { int temp = sc . nextInt ( ) ; arr [ i ] = sc . nextInt ( ) ; if ( arr [ i ] != temp ) diff = true ; hold [ i ] = arr [ i ] ; } if ( diff ) System . out . println ( " rated " ) ; else { Arrays . sort ( arr , Collections . reverseOrder ( ) ) ; boolean out = false ; for ( int i = 0 ; i < in ; i ++ ) { if ( arr [ i ] != hold [ i ] ) { System . out . println ( " unrated " ) ; out = true ; break ; } } if ( ! out ) System . out . println ( " maybe " ) ; } }
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