SPOJ - A very Easy Problem

SPOJ - A very Easy Problem 

Solution:-

/* You guys can use recursion/bits manipulation to come up with some other pattern. All are acceptable till they give the same number. */

137=2(2(2)+2+2(0))+2(2+2(0))+2(0)
1315=2(2(2+2(0))+2)+2(2(2+2(0)))+2(2(2)+2(0))+2+2(0)
73=2(2(2)+2)+2(2+2(0))+2(0)
136=2(2(2)+2+2(0))+2(2+2(0))
255=2(2(2)+2+2(0))+2(2(2)+2)+2(2(2)+2(0))+2(2(2))+2(2+2(0))+2(2)+2+2(0)
1384=2(2(2+2(0))+2)+2(2(2+2(0)))+2(2(2)+2)+2(2(2)+2(0))+2(2+2(0))
16385=2(2(2+2(0))+2(2)+2)+2(0)