#include <iostream>
using namespace std;
int main()
{
    double L, R, V;
    cin >> L >> R >> V;
    cout << "Q:" << L * R << endl;
    cout << "C:" << (L + R) * V;
    return 0;
}

#include<bits/stdc++.h>
using namespace std;
int main()
{
    double l,r,v;
    cin>>l>>r>>v;
    cout<<"Q:"<<l*r<<"\nC:"<<(l+r)*v;
    return 0;
}