// Validator
#include <iostream>
#include <numeric>
#include "testlib.h"

int main(int argc, char **argv) {
    registerValidation(argc, argv);
    int N, M, K;
    N = inf.readInt(3, 1000000);
    inf.readSpace();
    M = inf.readInt(1, N - 2);
    inf.readSpace();
    K = inf.readInt(1, N - M - 1);
    inf.readEoln();
    inf.readEof();

    long long den = 1LL * N * (N - 1 - K), num = 1LL * M * (N - 1);
    auto g = std::gcd(den, num);
    den /= g;
    num /= g;
    std::cout << num << ' ' << den << '\n';
}