import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		long n = sc.nextInt();
		long m = sc.nextInt();
		long k = sc.nextInt();
		sc.close();

		long p1 = m * (m - 1);
		long p2 = (n - m) * m;
		long p = p1 + p2;
		long q = n * (n - k - 1);
		long g = gcd(p, q);
		System.out.println(p / g + " " + q / g);
	}

	static long gcd(long a, long b) {
		return b == 0 ? a : gcd(b, a % b);
	}
}