// ConsoleApplication1.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <iostream>
#include <string>
#include <sstream>
using namespace std;

const double pi = 3.1415926535;
const string nl = "\n";

//void ConvertToDoubles()
//{
//	if (v == "?")
//	{
//
//	}
//	else
//	{
//
//	}
//}

double vuat(string v, string u, string a, string t)
{
	double result;
	if ((v == "?") && (u != "?") && (a != "?") && (t != "?"))
	{
		// Missing V
		u.ToDoubl
		double newU, newA, newT;
		stringstream convert(u);
		convert >> newU;
		stringstream convert(a);
		convert >> newA;
		stringstream convert(t);
		convert >> newT;
		result = newU + (newA * newT);
		return result;
	}
	else if ((v != "?") && (u == "?") && (a != "?") && (t != "?"))
	{
		// Missing U
	}
	else if ((v != "?") && (u != "?") && (a == "?") && (t != "?"))
	{
		// Missing A
	}
	else if ((v != "?") && (u != "?") && (a != "?") && (t == "?"))
	{
		// Missing T
	}
	else
	{
		return 0;
	}

}

int _tmain(int argc, _TCHAR* argv[])
{
	string s, u, v, a, t;
	cout << "Enter a value for each factor, and enter '?' if unknown." << nl << nl;
	cout << "s: ";
	cin >> s;
	cout << nl << "u: ";
	cin >> u;
	cout << nl << "v: ";
	cin >> v;
	cout << nl << "a: ";
	cin >> a;
	cout << nl << "t: ";
	cin >> t;
	if (((v == "?") && (u != "?") && (a != "?") && (t != "?")) || ((v != "?") && (u == "?") && (a != "?") && (t != "?")) || ((v != "?") && (u != "?") && (a == "?") && (t != "?")) || ((v != "?") && (u != "?") && (a != "?") && (t == "?")))
	{
		cout << vuat(v, u, a, t);
	}
	else
	{
		cout << "Cock";
	}
	//vuat(v, u, a, t);
	system("PAUSE");
	return 0;
}