#include <bits/stdc++.h>
using namespace std;
int main(){
  long long N, M, K;
  cin >> N >> M >> K;
  long long P = M * (N - 1);
  long long Q = N * (N - K - 1);
  long long g = gcd(P, Q);
  P /= g;
  Q /= g;
  cout << P << ' ' << Q << endl;
}