#include <iostream>
#include <iomanip>
using namespace std;
 
int main () {
	double a, b, c, d;
	int l = 0;
	while (cin >> a >> b >> c && a!= -1.0) {
		double d1 = 0, d2 = 0;
		d1 = a * c / b;
		l++;
		if (b > d1) {
			d2 = (c + d1) * (a + d1) / (b - d1);
			cout << fixed << setprecision(4) << "Set" << " " << l << ':' << endl;
			cout << d1 + d2<< endl;
		}
		else cout << fixed << setprecision(4) << "Set" << " " << l << ':' << endl << "Poor King!" << endl;
	}
	return 0;
}

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LTEgMCAw

-1 0 0