#include <stdio.h>

class xlog{
	public:
	 xlog(int);

	 int operator||(const xlog&);
	private:
	 int x;
};

xlog::xlog(int i)
{
	x=i;
}

int xlog::operator||(const xlog&xl)
{
	return xl.x || x;
}

xlog xprint(char*s)
{
	return xlog(printf(s));
}

main()
{
	if(xprint("This compiler does ")||xprint("not "))
		printf("shorten logical expressions.\n");
}