#include <iostream>
using namespace std;
class Complex
{
int real, imaginary;
public:
Complex() {}
Complex(int a, int b) { real = a; imaginary = b; }
Complex plus(Complex a, Complex b)
{
Complex c;
c.real = a.real + b.real;
c.imaginary = a.imaginary + b.imaginary;
return c;
}
Complex multiply(Complex a, Complex b)
{
Complex c;
c.real = a.real * b.real - a.imaginary * b.imaginary;
c.imaginary = a.imaginary * b.real + a.real * b.imaginary;
return c;
}
void Output()
{
if (imaginary > 0)cout << real << '+' << imaginary << 'i' << endl;
else if (imaginary == 0)cout << real << endl;
else
cout << real << imaginary << 'i' << endl;
}
};
int main()
{
int x[3][2];
for (int i = 0; i < 3; i++)cin >> x[i][0] >> x[i][1];
Complex a(x[0][0], x[0][1]), b(x[1][0], x[1][1]), c(x[2][0], x[2][1]), d, e;
d = d.plus(a, b); e = e.plus(d, c); e.Output();
d = d.multiply(a, b); e = e.multiply(d, c); e.Output();
}