#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using P = pair<ll,ll>;
#define rep(i, n) for(ll i = 0; i < n; i++)
#define all(x) (x).begin(),(x).end()
template<class T>bool chmin(T&a, const T&b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool chmax(T&a, const T&b){if(a<b){a=b;return 1;}return 0;}

int main(){
    ll n,m,k;
    cin >> n >> m >> k;
    ll x = m * (m-1) + (n-m) * m, y = n * (n-k-1), d = __gcd(x,y);
    cout << x/d << " " << y/d << endl;;
    return 0;
}