#include <iostream>
using namespace std;
void main()
{
float A, B, RES;
char act; //+ - * /
cout << "Vvedit dva chysla"<< endl;
cin >> A >> B;
cout << "Vvedit diu (+,-,*,/)" << endl;
cin >> act;
while ((act == '+') || (act == '-') || (act == '*') || (act == '/'))
{
	if (act == '+')
		RES = A+B;
	else
		if (act == '-')
		RES = A-B;
		else
			if (act == '*')
			RES = A*B;
			else RES = A/B;
				cout << "Vasha dia - " << act << "RES= " << RES << endl;
				cout << "Vvedit dva chysla"<< endl;
cin >> A >> B;
cout << "Vvedit diu (+,-,*,/)" << endl;
cin >> act;
}
}