public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  Map < String , Integer > map = new TreeMap < > ( ) ;
  int n = sc . nextInt ( ) ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) map . put ( sc . next ( ) , sc . nextInt ( ) ) ;
  int sum = 0 ;
  String ans = "atcoder" ;
  for ( Integer v : map . values ( ) ) sum += v ;
  for ( String str : map . keySet ( ) ) if ( map . get ( str ) > sum / 2 ) ans = str ;
  System . out . println ( ans ) ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; Map < String , Integer > map = new TreeMap < > ( ) ; int n = sc . nextInt ( ) ; for ( int i = 0 ; i < n ; i ++ ) map . put ( sc . next ( ) , sc . nextInt ( ) ) ; int sum = 0 ; String ans = " atcoder " ; for ( Integer v : map . values ( ) ) sum += v ; for ( String str : map . keySet ( ) ) if ( map . get ( str ) > sum / 2 ) ans = str ; System . out . println ( ans ) ; }
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