#include <iostream>
#include <stdlib.h>
#include <time.h>
using namespace std;

const int MAX_SET_MEMBERS = 25;
const int MAX_SET_VALUE = 15;

int main(int argc, char *argv[])
{
	srand(time(NULL));

	int numSetPairs = 5;
	if (argc > 1)
	{
		numSetPairs = atoi(argv[1]);
	}

	for (int setPair = 1; setPair <= numSetPairs; setPair++)
	{
		for (int set=1; set<=2; set++)
		{
			int numMembers = (rand() % MAX_SET_MEMBERS) + 1;
			for (int i=1; i<=numMembers; i++)
			{
				int setMember = (rand() % MAX_SET_VALUE) + 1;
				cout << setMember << " ";
			}
			cout << endl;
		}
	}
}