#include <iostream>
using namespace std;

int main()
{
	for (int k = 101; k <= 2000; k++)
	{
		int a = 0, b = 0;
		for (int i = 1; i < 100; i++)
			a += i;
		for (int i = 101; i <= k; i++)
			b += i;
		int i = 100;
		while ( a != b && i < k && i < 100)
		{
			a += i;
			i++;
			b -= i;
		}
		if (a == b && i < 1000)
			cout << i << " " << k << endl;
	}
	return 0;
}