public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int n = sc . nextInt ( ) , q = sc . nextInt ( ) ;
  int [ ] p = new int [ n ] ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) p [ i ] = sc . nextInt ( ) - 1 ;
  while ( q -- > 0 ) {
    int l = sc . nextInt ( ) - 1 , r = sc . nextInt ( ) , pos = sc . nextInt ( ) - 1 ;
    int cnt = 0 ;
    for ( int i = l ;
    i < r ;
    i ++ ) if ( p [ i ] < p [ pos ] ) cnt ++ ;
    System . out . println ( cnt == pos - l ? "Yes" : "No" ) ;
  }
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int n = sc . nextInt ( ) , q = sc . nextInt ( ) ; int [ ] p = new int [ n ] ; for ( int i = 0 ; i < n ; i ++ ) p [ i ] = sc . nextInt ( ) - 1 ; while ( q -- > 0 ) { int l = sc . nextInt ( ) - 1 , r = sc . nextInt ( ) , pos = sc . nextInt ( ) - 1 ; int cnt = 0 ; for ( int i = l ; i < r ; i ++ ) if ( p [ i ] < p [ pos ] ) cnt ++ ; System . out . println ( cnt == pos - l ? " Yes " : " No " ) ; } }
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