package main

import (
	"fmt"
)

func count(x uint64) uint64 {
	if x < 2 {
		return 0
	}
	var res uint64 = 0
	L := 0
	for temp := x; temp > 0; temp >>= 1 {
		L++
	}

	for n := 2; n < L; n++ {
		E := make([]uint64, n)
		for d := 1; d < n; d++ {
			if n%d == 0 {
				C := uint64(1) << (d - 1)
				E[d] = C
				for c := 1; c < d; c++ {
					if d%c == 0 {
						E[d] -= E[c]
					}
				}
				res += E[d]
			}
		}
	}

	E := make([]uint64, L)
	for d := 1; d < L; d++ {
		if L%d == 0 {
			P := x >> (L - d)
			C := P - (uint64(1) << (d - 1))

			var repeated uint64 = 0
			for i := 0; i < L/d; i++ {
				repeated = (repeated << d) | P
			}

			if repeated <= x {
				C++
			}

			E[d] = C
			for c := 1; c < d; c++ {
				if d%c == 0 {
					E[d] -= E[c]
				}
			}
			res += E[d]
		}
	}

	return res
}

func main() {
	var l, r uint64
	if _, err := fmt.Scan(&l, &r); err == nil {
		fmt.Println(count(r) - count(l-1))
	}
}