public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int n = sc . nextInt ( ) ;
  int s = sc . nextInt ( ) ;
  int t = sc . nextInt ( ) ;
  int w = sc . nextInt ( ) ;
  int [ ] a = new int [ n ] ;
  for ( int i = 1 ;
  i < n ;
  i ++ ) {
    a [ i ] = sc . nextInt ( ) ;
  }
  sc . close ( ) ;
  int ans = 0 ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    w += a [ i ] ;
    if ( s <= w && w <= t ) {
      ans ++ ;
    }
  }
  System . out . println ( ans ) ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int n = sc . nextInt ( ) ; int s = sc . nextInt ( ) ; int t = sc . nextInt ( ) ; int w = sc . nextInt ( ) ; int [ ] a = new int [ n ] ; for ( int i = 1 ; i < n ; i ++ ) { a [ i ] = sc . nextInt ( ) ; } sc . close ( ) ; int ans = 0 ; for ( int i = 0 ; i < n ; i ++ ) { w += a [ i ] ; if ( s <= w && w <= t ) { ans ++ ; } } System . out . println ( ans ) ; }
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