public class Soustava {
	public static void main(String[] args) {
		double x, y, s, r;

		System.out.println("RESENI SOUSTAVY ROVNIC:");
		System.out.println();
		System.out.println("x + y = r");
		System.out.println("x - y = s");
		System.out.println();

		System.out.print("Zadej r: ");
		r = VstupData.ctiDouble();

		System.out.print("Zadej s: ");
		s = VstupData.ctiDouble();

		y = (r - s) /2;
		x = r - y;

		System.out.println("Vysledek: ");
		System.out.println(" x = "+x);
		System.out.println(" y = "+y);
		System.out.println();

		System.out.println("Rovnice vypada: ");
		System.out.println(x+" + "+y+" = "+r);
		System.out.println(x+" - "+y+" = "+s);
		System.out.println();
	}
}