#include<bits/stdc++.h>
using namespace std;
int main(){
	double x,l,k,j,n; 
	cin>>x>>l>>k;
	j=x*l;
	n=(l+x)*k;;
	cout<<"Q:"<<j<<endl<<"c:"<<n;
}
/**************************************************************
	Problem: 1958
	User: tonghuawei
	Language: C++
	Result: Wrong Answer
****************************************************************/