public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int num = sc . nextInt ( ) ;
  int color [ ] = new int [ num ] ;
  for ( int i = 0 ;
  i < num ;
  i ++ ) {
    color [ i ] = sc . nextInt ( ) ;
  }
  int index [ ] = new int [ 2 * ( int ) Math . pow ( 10 , 5 ) + 10 ] ;
  int same [ ] = new int [ num ] ;
  for ( int i = 0 ;
  i < num ;
  i ++ ) {
    same [ i ] = index [ color [ i ] ] - 1 ;
    index [ color [ i ] ] = i + 1 ;
  }
  long dp [ ] = new long [ num ] ;
  dp [ 0 ] = 1 ;
  for ( int i = 1 ;
  i < num ;
  i ++ ) {
    if ( color [ i - 1 ] == color [ i ] || same [ i ] < 0 ) {
      dp [ i ] = dp [ i - 1 ] ;
    }
    else {
      dp [ i ] = mod ( dp [ i - 1 ] + dp [ same [ i ] ] ) ;
    }
  }
  System . out . println ( dp [ num - 1 ] ) ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int num = sc . nextInt ( ) ; int color [ ] = new int [ num ] ; for ( int i = 0 ; i < num ; i ++ ) { color [ i ] = sc . nextInt ( ) ; } int index [ ] = new int [ 2 * ( int ) Math . pow ( 10 , 5 ) + 10 ] ; int same [ ] = new int [ num ] ; for ( int i = 0 ; i < num ; i ++ ) { same [ i ] = index [ color [ i ] ] - 1 ; index [ color [ i ] ] = i + 1 ; } long dp [ ] = new long [ num ] ; dp [ 0 ] = 1 ; for ( int i = 1 ; i < num ; i ++ ) { if ( color [ i - 1 ] == color [ i ] || same [ i ] < 0 ) { dp [ i ] = dp [ i - 1 ] ; } else { dp [ i ] = mod ( dp [ i - 1 ] + dp [ same [ i ] ] ) ; } } System . out . println ( dp [ num - 1 ] ) ; }
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