// assigned for homework, 22 May 2002
// Csc 120, Summer I

class PrintPrimes
{

  static final int N = 100 ; // print primes up to 100

  public static
  void main( String [] args )
  {
     // to be written by student
     int i = 2 ;
     while ( i<N ) 
     {
         if ( isPrime(i) )
         {
            System.out.println(i) ;
         }
         i++ ;
     }
  }

  static
  boolean isPrime(int i )
  {
      // to be written by student
      int trialDiv = 2 ;
      while ( trialDiv < i )
      {
         if ( i%trialDiv == 0 )
         {
             return false ;
         }
         trialDiv++ ;
      }
      return true ;
   }

}