#include <iostream>
#include <fstream>
#include <math.h>

using namespace std;

struct coordonate {
	float x, y;
} a[1001];

float distanta(int b, int c) {
	return sqrt(pow((a[b].x - a[c].x), 2) + pow((a[b].y - a[c].y), 2));
}

int main() {
	int n = 1, q = 0, d = 0;
	ifstream f("puncte.in");
	ofstream g("puncte.out");
	while (f >> a[n].x >> a[n].y) {
		if (a[n].x > 0 && a[n].y > 0)
			q++;
		n++;
	}
	n--;
	g << q << ' ';
	for (int i = 1; i <= n - 1; i++)
		for (int j = i + 1; j <= n; j++) {
			q = distanta(i, j);
			if (q > d)
				d = q;
		}
	g << d;
	f.close(); g.close();
	system("pause");
}