/* 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
	{
		int diff = 0;
		for (long seed = 0 ; seed != 1000 ; seed++) {
			Random rndOne = new Random(seed);
			List<Integer> one = make();
			Collections.shuffle(one, rndOne);
			Random rndTwo = new Random(seed);
			List<Integer> two = make();
			Collections.shuffle(two, rndTwo);
			boolean same = true;
			for (int i = 0 ; i != 52 ; i++) {
				if (one.get(i).equals(two.get(i))) {
					continue;
				}
				same = false;
				break;
			}
			if (!same) {
				diff++;
				System.out.println("Different when seed="+seed);
			}
		}
		System.out.println("Number of differences: "+diff);
	}
	public static List<Integer> make() {
	    List<Integer> items = new ArrayList<>();
		for (int i = 0 ; i != 52 ; i++) {
			items.add(i);
		}
        return items;
	}
}

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