A

#include <cstdio>
#include <utility>
#include <cmath>

using namespace std;

int sgn(int x) {
	if (x > 0) return 1;
	if (x == 0) return 0;
	return -1;
}

int main() {
	int x, y;
	scanf("%d %d", &x, &y);
	int v = abs(x) + abs(y);
	pair<int,int> f = make_pair(v * sgn(x), 0);
	pair<int,int> s = make_pair(0, v * sgn(y));
	if (f.first > s.first)
		swap(f, s);
	printf("%d %d %d %d\n", f.first, f.second, s.first, s.second);
}