// �������f���Ə�Z
import java.math.BigInteger;
import java.util.Random;
public class Prime2
{ public static void main (String[] args) 
    { int bit=50;
      BigInteger p, q, n;
      p = new BigInteger(bit, 20, new Random());
      q = new BigInteger(bit, 20, new Random());
      n = p.multiply(q); // ��Z
      System.out.println("p="+p.toString()+"  q="+q.toString());
      System.out.println("n="+n.toString());
    }
}