public static void main ( String [ ] args ) {
  FastReader fr = new FastReader ( ) ;
  int n = fr . nextInt ( ) ;
  long h = fr . nextLong ( ) ;
  long [ ] arr = new long [ n ] ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) arr [ i ] = fr . nextLong ( ) ;
  int ans = 1 ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    ArrayList < Long > temp = new ArrayList < > ( ) ;
    for ( int j = 0 ;
    j <= i ;
    j ++ ) {
      temp . add ( arr [ j ] ) ;
    }
    Collections . sort ( temp , Collections . reverseOrder ( ) ) ;
    long need = 0 ;
    for ( int j = 0 ;
    j < temp . size ( ) ;
    j += 2 ) {
      need += temp . get ( j ) ;
    }
    if ( need <= h ) {
      ans = Math . max ( ans , i + 1 ) ;
    }
  }
  System . out . println ( ans ) ;
}

public static void main ( String [ ] args ) { FastReader fr = new FastReader ( ) ; int n = fr . nextInt ( ) ; long h = fr . nextLong ( ) ; long [ ] arr = new long [ n ] ; for ( int i = 0 ; i < n ; i ++ ) arr [ i ] = fr . nextLong ( ) ; int ans = 1 ; for ( int i = 0 ; i < n ; i ++ ) { ArrayList < Long > temp = new ArrayList < > ( ) ; for ( int j = 0 ; j <= i ; j ++ ) { temp . add ( arr [ j ] ) ; } Collections . sort ( temp , Collections . reverseOrder ( ) ) ; long need = 0 ; for ( int j = 0 ; j < temp . size ( ) ; j += 2 ) { need += temp . get ( j ) ; } if ( need <= h ) { ans = Math . max ( ans , i + 1 ) ; } } System . out . println ( ans ) ; }
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