/* 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
	{
		for (int i = 0; i < 5; ++i) {
			long nanoStart = System.nanoTime();
			long milliStart = System.currentTimeMillis();
 
			Thread.sleep(2000);
 
			long nanoEnd = System.nanoTime();
			long milliEnd = System.currentTimeMillis();;
 
			long nanoDelta = nanoEnd - nanoStart;
			long milliDelta = milliEnd - milliStart;
 
			System.out.println((double) nanoDelta / milliDelta);
		}
	}
}

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