public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int [ ] arr = new int [ 6 ] ;
  for ( int i = 0 ;
  i < 6 ;
  i ++ ) arr [ i ] = sc . nextInt ( ) ;
  Arrays . sort ( arr ) ;
  int count = 0 ;
  boolean works = false ;
  int start = 0 ;
  int end = 3 ;
  outer : for ( int i = 0 ;
  i < 3 ;
  i ++ ) {
    start = end - 3 ;
    for ( int j = start ;
    j <= end ;
    j ++ ) {
      if ( arr [ j ] != arr [ j + 1 ] ) break ;
      if ( arr [ j ] == arr [ j + 1 ] && j + 1 == end ) {
        works = true ;
        break outer ;
      }
    }
    end ++ ;
  }
  int [ ] nums = new int [ 2 ] ;
  int dex = 0 ;
  for ( int i = 0 ;
  i < 6 ;
  i ++ ) {
    if ( i < start || i > end ) {
      nums [ dex ] = arr [ i ] ;
      dex ++ ;
    }
  }
  if ( ! works ) System . out . println ( "Alien" ) ;
  else {
    if ( nums [ 0 ] == nums [ 1 ] ) System . out . println ( "Elephant" ) ;
    else System . out . println ( "Bear" ) ;
  }
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int [ ] arr = new int [ 6 ] ; for ( int i = 0 ; i < 6 ; i ++ ) arr [ i ] = sc . nextInt ( ) ; Arrays . sort ( arr ) ; int count = 0 ; boolean works = false ; int start = 0 ; int end = 3 ; outer : for ( int i = 0 ; i < 3 ; i ++ ) { start = end - 3 ; for ( int j = start ; j <= end ; j ++ ) { if ( arr [ j ] != arr [ j + 1 ] ) break ; if ( arr [ j ] == arr [ j + 1 ] && j + 1 == end ) { works = true ; break outer ; } } end ++ ; } int [ ] nums = new int [ 2 ] ; int dex = 0 ; for ( int i = 0 ; i < 6 ; i ++ ) { if ( i < start || i > end ) { nums [ dex ] = arr [ i ] ; dex ++ ; } } if ( ! works ) System . out . println ( " Alien " ) ; else { if ( nums [ 0 ] == nums [ 1 ] ) System . out . println ( " Elephant " ) ; else System . out . println ( " Bear " ) ; } }
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