public static void main ( String [ ] args ) {
  Smallest_prime_factor ( ) ;
  Sum_Of_All_Digits ( ) ;
  int l , r ;
  l = 2 ;
  r = 3 ;
  System . out . println ( "Valid numbers in the range " + l + " " + r + " are " + ( ans [ r ] - ans [ l - 1 ] ) ) ;
  l = 2 ;
  r = 10 ;
  System . out . println ( "Valid numbers in the range " + l + " " + r + " are " + ( ans [ r ] - ans [ l - 1 ] ) ) ;
}

public static void main ( String [ ] args ) { Smallest_prime_factor ( ) ; Sum_Of_All_Digits ( ) ; int l , r ; l = 2 ; r = 3 ; System . out . println ( " Valid ▁ numbers ▁ in ▁ the ▁ range ▁ " + l + " ▁ " + r + " ▁ are ▁ " + ( ans [ r ] - ans [ l - 1 ] ) ) ; l = 2 ; r = 10 ; System . out . println ( " Valid ▁ numbers ▁ in ▁ the ▁ range ▁ " + l + " ▁ " + r + " ▁ are ▁ " + ( ans [ r ] - ans [ l - 1 ] ) ) ; }
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