#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: linmiaoling
	Language: C++
	Result: Accepted
	Time:11 ms
	Memory:2072 kb
****************************************************************/