public static void main ( String [ ] args ) {
  FastReader in = new FastReader ( ) ;
  int t = in . nextInt ( ) ;
  StringBuilder sb = new StringBuilder ( ) ;
  while ( t -- > 0 ) {
    long n = in . nextLong ( ) ;
    long k = in . nextLong ( ) ;
    k -- ;
    while ( k -- > 0 ) {
      long a = To_Add ( n ) ;
      if ( a == 0 ) {
        break ;
      }
      n += a ;
    }
    sb . append ( n + "\n" ) ;
  }
  System . out . println ( sb ) ;
}

public static void main ( String [ ] args ) { FastReader in = new FastReader ( ) ; int t = in . nextInt ( ) ; StringBuilder sb = new StringBuilder ( ) ; while ( t -- > 0 ) { long n = in . nextLong ( ) ; long k = in . nextLong ( ) ; k -- ; while ( k -- > 0 ) { long a = To_Add ( n ) ; if ( a == 0 ) { break ; } n += a ; } sb . append ( n + " \n " ) ; } System . out . println ( sb ) ; }
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