#include
#include
using namespace std;
int Math(double a) {
cout<<a*a<<", "<<a*a*a<<", "<<sqrt(a)<< endl;<br> return 0;
}
int main() {
double a,b,c;
cin>>a>>b>>c;
cout<<"a*b*c="<<a*b*c<<endl;<br> Math(a); Math(b); Math(c);
//system("PAUSE");
return 0;
}