/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
import java.security.SecureRandom ;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		byte[] seed = { 42 , 7 } ;
		SecureRandom sr = new SecureRandom( seed ) ;
 
		byte[] x = new byte [ 4 ] ;
		sr.nextBytes( x ) ;
 
		System.out.println( Arrays.toString( x ) ) ;
	}
}

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