public static void main ( String args [ ] ) throws Exception {
  Fast in = new Fast ( ) ;
  int arr [ ] = new int [ 10 ] ;
  int n = in . nextInt ( ) , k = in . nextInt ( ) ;
  for ( int i = 0 ;
  i < k ;
  i ++ ) {
    arr [ in . nextInt ( ) ] = 1 ;
  }
  l : for ( int i = n ;
  i < 10000000 ;
  i ++ ) {
    String str = "" + i ;
    for ( int j = 0 ;
    j < str . length ( ) ;
    j ++ ) {
      if ( arr [ str . charAt ( j ) - '0' ] == 1 ) {
        continue l ;
      }
    }
    System . out . println ( i ) ;
    return ;
  }
}

public static void main ( String args [ ] ) throws Exception { Fast in = new Fast ( ) ; int arr [ ] = new int [ 10 ] ; int n = in . nextInt ( ) , k = in . nextInt ( ) ; for ( int i = 0 ; i < k ; i ++ ) { arr [ in . nextInt ( ) ] = 1 ; } l : for ( int i = n ; i < 10000000 ; i ++ ) { String str = " " + i ; for ( int j = 0 ; j < str . length ( ) ; j ++ ) { if ( arr [ str . charAt ( j ) - '0' ] == 1 ) { continue l ; } } System . out . println ( i ) ; return ; } }
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