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#include <iostream>
#include <iomanip>

using namespace std;

int main()
{
	float A, B, add, sub, mult, div;

	cout << fixed << showpoint << setprecision(1);

	cout << "Input A (-1 to quit): ";
	cin >> A;

	while ( A > 0 );
	{
		cout << "Input B (-1 to quit): ";
       		cin >> B;

			add = A + B;
        		sub = A - B;
        		mult = A * B;
        		div = A / B;

			cout << "The addition of A and B is: " << add << "\n";

			cout << "The subtraction of A and B is: " << sub << "\n";

			cout << "The multiplication of A and B is: " << mult << "\n";

			cout << "The division of A and B is: " << div << "\n";
			
			cout << "Input B (-1 to quit): ";
                	cin >> B;				

		cout << "Input A (-1 to quit): ";
       		cin >> A;

	}

	return 0;
}