public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int n = sc . nextInt ( ) ;
  String [ ] name = new String [ n ] ;
  int [ ] jinkou = new int [ n ] ;
  HashMap < Integer , String > map = new HashMap < Integer , String > ( ) ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    name [ i ] = sc . next ( ) ;
    jinkou [ i ] = sc . nextInt ( ) ;
    map . put ( jinkou [ i ] , name [ i ] ) ;
  }
  int max = jinkou [ 0 ] ;
  int total = 0 ;
  for ( int j = 0 ;
  j < jinkou . length ;
  j ++ ) {
    total += jinkou [ j ] ;
    if ( max < jinkou [ j ] ) max = jinkou [ j ] ;
  }
  if ( ( total / 2 ) < max ) {
    System . out . println ( map . get ( max ) ) ;
  }
  else {
    System . out . println ( "atcoder" ) ;
  }
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int n = sc . nextInt ( ) ; String [ ] name = new String [ n ] ; int [ ] jinkou = new int [ n ] ; HashMap < Integer , String > map = new HashMap < Integer , String > ( ) ; for ( int i = 0 ; i < n ; i ++ ) { name [ i ] = sc . next ( ) ; jinkou [ i ] = sc . nextInt ( ) ; map . put ( jinkou [ i ] , name [ i ] ) ; } int max = jinkou [ 0 ] ; int total = 0 ; for ( int j = 0 ; j < jinkou . length ; j ++ ) { total += jinkou [ j ] ; if ( max < jinkou [ j ] ) max = jinkou [ j ] ; } if ( ( total / 2 ) < max ) { System . out . println ( map . get ( max ) ) ; } else { System . out . println ( " atcoder " ) ; } }
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