class foo
{
friend bool operator < ( bool left, const foo& right );
friend int operator ^ ( int left, const foo& right );
};

bool operator < ( bool left, const foo& right ) { return left; }
int operator ^ ( int left, const foo& right ) { return left; }

int main()
{
int O_o = 0, _ = 0, baka = 0; foo o_O, neko;

bool XD = O_o >_< o_O;
int nya = baka ^_^ neko;

return 0;
}