int a, b;
cin >> a + b;
cout << a << "+" << b << '=' << a + b;

int a, b;
cin >> a >> b;
cout << a << "+" << b << '=';
b = b + a;
cout << b << endl;

int a, b;
cin >> a >> b;
int c = a + b;
cout << a << "+" << b << '=' << c;

int a, b;
cin >> a >> b;
cout << a << "+" << b << '=' << a + b;