public static void main ( String [ ] args ) {
  Scanner input = new Scanner ( System . in ) ;
  int n = input . nextInt ( ) ;
  String s = input . next ( ) ;
  int ans = 0 ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    for ( int j = i + 1 ;
    j < n ;
    j ++ ) {
      int v = 0 ;
      int h = 0 ;
      for ( int k = i ;
      k <= j ;
      k ++ ) {
        switch ( s . charAt ( k ) ) {
          case 'U' : v ++ ;
          break ;
          case 'D' : v -- ;
          break ;
          case 'R' : h ++ ;
          break ;
          case 'L' : h -- ;
          break ;
        }
      }
      if ( v == 0 && h == 0 ) {
        ans ++ ;
      }
    }
  }
  System . out . println ( ans ) ;
}

public static void main ( String [ ] args ) { Scanner input = new Scanner ( System . in ) ; int n = input . nextInt ( ) ; String s = input . next ( ) ; int ans = 0 ; for ( int i = 0 ; i < n ; i ++ ) { for ( int j = i + 1 ; j < n ; j ++ ) { int v = 0 ; int h = 0 ; for ( int k = i ; k <= j ; k ++ ) { switch ( s . charAt ( k ) ) { case ' U ' : v ++ ; break ; case ' D ' : v -- ; break ; case ' R ' : h ++ ; break ; case ' L ' : h -- ; break ; } } if ( v == 0 && h == 0 ) { ans ++ ; } } } System . out . println ( ans ) ; }
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