#include <iostream>
using namespace std;
short ans;
int main()
{
	int m,x,y,z;
	cin >> m >> x >> y >> z;
	for (int i = 0;i <= m / x;i++)
	{
		for (int j = 0;j <= m;j++)
		{
			int mon = m - i * x - j * y;
			if (mon * z + i + j == m)
			{
				cout << i << ' ' << j << ' ' << mon * z << endl;
				ans++;
			}
		}
	}
	cout << ans;
	return 0;
}