B'A non-empty string s is called binary, if it consists only of characters "0" and "1". Let 's number the characters of binary string s from 1 to the string 's length and let 's denote the i-th character in string s as si. Binary string s with length n is periodical, if there is an integer 1 xe2 x80 x89 xe2 x89 xa4 xe2 x80 x89k xe2 x80 x89< xe2 x80 x89n such that: For example, binary strings "101010" and "11" are periodical and "10" and "10010" are not. A positive integer x is periodical, if its binary representation (without leading zeroes) is a periodic string. Your task is to calculate, how many periodic numbers are in the interval from l to r (both ends are included). The single input line contains two integers l and r (1 xe2 x80 x89 xe2 x89 xa4 xe2 x80 x89l xe2 x80 x89 xe2 x89 xa4 xe2 x80 x89r xe2 x80 x89 xe2 x89 xa4 xe2 x80 x891018). The numbers are separated by a space. Please, do not use the %lld specifier to read or write 64-bit integers in xd0 xa1++. It is preferred to use the cin, cout streams or the %I64d specifier. Print a single integer, showing how many periodic numbers are in the interval from l to r (both ends are included). In the first sample periodic numbers are 3, 7 and 10. In the second sample periodic numbers are 31 and 36.'...