N, Q = map(int, input().split())
query = [list(map(int, input().split())) for _ in range(Q)]

ans = [0]*Q
for i in range(Q):
    s, t = query[i]
    if s == 0:
        ans[i] = str(bin(t)).count('1')
        continue
    ct = 0
    ind = t.bit_length()-1
    while (s >> ind) & 1 and (t >> ind) & 1:
        s -= 1 << ind
        t -= 1 << ind
        ind -= 1
    if s == 0:
        ans[i] = str(bin(t)).count('1')
        continue
    for j in range(ind):
        if (s >> j) & 1:
            ct += 1
            s += 1 << j
    for j in range(ind-1, -1, -1):
        if (t >> j) & 1:
            ct += 1
    ans[i] = ct

print(*ans, sep='\n')