import std.stdio;

struct Yoda
{
    int one;
    int two;
};

struct Second
{
    int one;
    int two;
    this(int _one, int _two)
    {
        one = _two;
        two = _one;
    }
};

void main(string args[])
{
    writefln("%s, %s", Yoda(1,2).one, Yoda(3,4).two);
    writefln("%s, %s", Second(1,2).one, Second(3,4).two);
}