hah dobar :D, koristio je operaciju eksluzivno ili.. uzmi papir i olovku i probaj rucno da uradis.. bice ti jasno, evo malo jednostavnije resenje
a = a + b;
b = a - b;
a = a - b;
moze i lakse ako ti je dozvoljena upotreba privremene promenljive..
And the beast shall be made legion. Its numbers shall be increased a thousand thousand fold. The din of a million keyboards like unto a great storm shall cover the earth, and the followers of Mammon shall tremble.