#include using namespace std; typedef long long LL; const int nmax = 100010; const LL mod = 1000003; LL a,b,N; int main(void){ int i,j,x,y,T,z,t,e,nod,dist,cul; // freopen("txt.in","r",stdin); // freopen("txt.out","w",stdout); ios::sync_with_stdio(false); cin >> a >> b>> N; cout << a+b << ' '; if(N==2){ cout << a*2+b << '\n'; return 0; } if(N%2==0){ cout << a*(N-1)+b << '\n'; return 0; } cout << a*N+b << '\n'; return 0; }