#include<bits/stdc++.h>
using namespace std;
int main(){
	double L,R,V,Q,C;
	cin>>L>>R>>V;
	if(L<=1000&&R<=1000&&V<=1000){
		Q=L*R;
		C=(L+R)*V;
		cout<<"Q:"<<Q<<endl<<"C:"<<C; 
	}
}
/**************************************************************
	Problem: 1958
	User: 15159808820
	Language: C++
	Result: Accepted
	Time:6 ms
	Memory:2072 kb
****************************************************************/