#include <bits/stdc++.h>

using namespace std;

int main()
{
    long long a, b, n; cin >> a >> b >> n;

    cout << a + b << " ";

    if(n % 2 != 0)
    {
        cout << a * n + b;
    }
    else
    {
        cout << a * (n - 1) + b;
    }

    return 0;
}