public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int n = sc . nextInt ( ) ;
  int [ ] ways = new int [ 200001 ] ;
  ArrayList < Integer > stones = new ArrayList < > ( ) ;
  int current = sc . nextInt ( ) ;
  stones . add ( current ) ;
  for ( int i = 1 ;
  i < n ;
  i ++ ) {
    current = sc . nextInt ( ) ;
    if ( current != stones . get ( stones . size ( ) - 1 ) ) {
      stones . add ( current ) ;
    }
  }
  int [ ] count = new int [ stones . size ( ) ] ;
  count [ 0 ] = 1 ;
  ways [ stones . get ( 0 ) ] = 1 ;
  for ( int i = 1 ;
  i < stones . size ( ) ;
  i ++ ) {
    count [ i ] = ( count [ i - 1 ] + ways [ stones . get ( i ) ] ) % 1_000_000_007 ;
    ways [ stones . get ( i ) ] = count [ i ] ;
  }
  System . out . println ( count [ stones . size ( ) - 1 ] ) ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int n = sc . nextInt ( ) ; int [ ] ways = new int [ 200001 ] ; ArrayList < Integer > stones = new ArrayList < > ( ) ; int current = sc . nextInt ( ) ; stones . add ( current ) ; for ( int i = 1 ; i < n ; i ++ ) { current = sc . nextInt ( ) ; if ( current != stones . get ( stones . size ( ) - 1 ) ) { stones . add ( current ) ; } } int [ ] count = new int [ stones . size ( ) ] ; count [ 0 ] = 1 ; ways [ stones . get ( 0 ) ] = 1 ; for ( int i = 1 ; i < stones . size ( ) ; i ++ ) { count [ i ] = ( count [ i - 1 ] + ways [ stones . get ( i ) ] ) % 1_000_000_007 ; ways [ stones . get ( i ) ] = count [ i ] ; } System . out . println ( count [ stones . size ( ) - 1 ] ) ; }
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