#include<bits/stdc++.h>
using namespace std;
int main(){
    double x,l,k,j,n; 
    cin>>x>>l>>k;
    j=x*l;
    n=(x+l)*k;
    cout<<"Q:"<<j<<endl;
	cout<<"C:"<<n;
    }
/**************************************************************
	Problem: 1958
	User: sucongyi
	Language: C++
	Result: Accepted
	Time:16 ms
	Memory:2072 kb
****************************************************************/