As a token of his gratitude, Takahashi has decided to give his mother an integer sequence. The sequence A needs to satisfy the conditions below:    * A consists of integers between X and Y (inclusive).   * For each 1\leq i \leq |A|-1, A_{i+1} is a multiple of A_i and strictly greater than A_i.  Find the maximum possible length of the sequence.
x,y = map(int, input().split())
count = 0
while x*2 <= y:
    x = x*2
    count += 1
x,y = map(int, input().split())
count = 1
while x*2 <= y:
    x = x*2
    count += 1
print(count)