/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* 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
	{
		final Random r = new Random();
		long value = r.nextLong() & 0x3FFFFFFFFFFFFL;
 
		value |= 1L << 50;
 
        String stringValue = Long.toBinaryString(value).substring(1);
        System.out.println(stringValue);
	}
}

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