#include <iostream>
#include <iomanip>
#include "Calculator.h"
using namespace std;

int main() {
   Calculator calc;
	double num1;
	double num2;

	cin >> num1;
	cin >> num2;

	cout << fixed << setprecision(1);
	// 1. The initial value
	cout << calc.GetValue() << endl;

	// 2. The value after adding num1
	calc.Add(num1);
	cout << calc.GetValue() << endl;

	// 3. The value after multiplying by 3
	calc.Multiply(3);
	cout << calc.GetValue() << endl;

	// 4. The value after subtracting num2
	calc.Subtract(num2);
	cout << calc.GetValue() << endl;

	// 5. The value after dividing by 2
	calc.Divide(2);
	cout << calc.GetValue() << endl;

	// 6. The value after calling the clear() method
	calc.Clear();
	cout << calc.GetValue() << endl;

   return 0;
}