there are few ways to find the answer
1. You Can Mathematically think and find the method
2. You can google this
3. You Can Ask Someone
4. You can forget this referring this as magic
if u do one of these , u become
1. A genius
2. An internet freak
3. Someone who needs support for everything even there are another ways
4. a looser
maXXaa....... ban ....
mokakda meke thiyana scene ekaa .... mama 5-6 paarak ma try karaa wena wena numbers walin eeth aru hoyagaththane symbuls tika ....