from math import sqrt


def is_odd_divisor_sum(num: int) -> bool:
    str_bin_num = bin(num)
    num_divide_by_2 = int(str_bin_num[:str_bin_num.rfind("1")+1], 0)
    return sqrt(num_divide_by_2) - sqrt(num_divide_by_2) ** 2 < 1e-3


def main():
    T = int(input())
    for _ in range(T):
        L, R = map(int, input().split())
        print(sum(map(is_odd_divisor_sum, range(L, R+1))) % 2)


if __name__ == "__main__":
    main()