public static void main ( String [ ] args ) {
  Scanner s = new Scanner ( System . in ) ;
  int i = 10 , sum = 0 , count = 0 , ans = 0 ;
  int k = s . nextInt ( ) ;
  while ( true ) {
    sum = 0 ;
    int j = i ;
    while ( j != 0 ) {
      int a = j % 10 ;
      sum = sum + a ;
      j = j / 10 ;
    }
    if ( sum == 10 ) {
      count ++ ;
      if ( count == k ) {
        ans = i ;
        break ;
      }
    }
    i ++ ;
  }
  System . out . println ( ans ) ;
}

public static void main ( String [ ] args ) { Scanner s = new Scanner ( System . in ) ; int i = 10 , sum = 0 , count = 0 , ans = 0 ; int k = s . nextInt ( ) ; while ( true ) { sum = 0 ; int j = i ; while ( j != 0 ) { int a = j % 10 ; sum = sum + a ; j = j / 10 ; } if ( sum == 10 ) { count ++ ; if ( count == k ) { ans = i ; break ; } } i ++ ; } System . out . println ( ans ) ; }
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