#include <iostream>
#include <cmath>
using namespace std;
int main (){
double S, Vy, tuch, V0, g, Such, alfa;
cin>>V0;
cin>>g;
cin>>alfa;
Vy=V0*cos(alfa);
tuch=(2*V0)*sin(alfa))/g;
Such=(pow(V0,2)*sin(2*alfa))/g;
S=Vy*tuch;
cout<<"S="<<S<<endl;
cout<<"Such="<<Such<<endl;
}