#include <iostream>

using namespace std ;
//ifstream cin ("input") ;
//ofstream cout ("output") ;

int main(int argc, char const *argv[])
{
	long long a, b, n ;
	cin >> a >> b >> n ; 
	if (n == 2) {
		cout << a + b << ' ' << a * 2LL + b << '\n' ;
		return 0 ; 
	}
	cout << a + b << ' ' ; 
	if (n & 1) {
		cout << a * n + b << '\n' ; 
	}
	else {
		cout << a * (n - 1) + b << '\n' ;
	}
	return 0;
}