public static void main ( String args [ ] ) {
  Scanner scan = new Scanner ( System . in ) ;
  int n = scan . nextInt ( ) ;
  int m = scan . nextInt ( ) ;
  int [ ] a = new int [ n ] ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    int in = scan . nextInt ( ) ;
    a [ i ] = in ;
  }
  q : while ( m -- > 0 ) {
    int l = scan . nextInt ( ) ;
    int r = scan . nextInt ( ) ;
    int x = scan . nextInt ( ) ;
    int p = a [ x - 1 ] ;
    int mn = 0 ;
    int mx = 0 ;
    for ( int i = l - 1 ;
    i < x - 1 ;
    i ++ ) {
      if ( a [ i ] > p ) {
        ++ mx ;
      }
    }
    for ( int i = x ;
    i < r ;
    i ++ ) {
      if ( a [ i ] < p ) {
        ++ mn ;
      }
    }
    if ( mx == mn ) {
      System . out . println ( "Yes" ) ;
    }
    else {
      System . out . println ( "No" ) ;
    }
  }
}

public static void main ( String args [ ] ) { Scanner scan = new Scanner ( System . in ) ; int n = scan . nextInt ( ) ; int m = scan . nextInt ( ) ; int [ ] a = new int [ n ] ; for ( int i = 0 ; i < n ; i ++ ) { int in = scan . nextInt ( ) ; a [ i ] = in ; } q : while ( m -- > 0 ) { int l = scan . nextInt ( ) ; int r = scan . nextInt ( ) ; int x = scan . nextInt ( ) ; int p = a [ x - 1 ] ; int mn = 0 ; int mx = 0 ; for ( int i = l - 1 ; i < x - 1 ; i ++ ) { if ( a [ i ] > p ) { ++ mx ; } } for ( int i = x ; i < r ; i ++ ) { if ( a [ i ] < p ) { ++ mn ; } } if ( mx == mn ) { System . out . println ( " Yes " ) ; } else { System . out . println ( " No " ) ; } } }
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