#!/usr/bin/env PyPy3

from collections import Counter, defaultdict, deque
import itertools
import re
import math
from functools import reduce
import operator
import bisect
import heapq
import functools
mod=10**9+7

import sys
input=sys.stdin.readline

t = int(input())

def count(x):
    res = 0
    if x >= 10 ** 7:
        sq = int(math.sqrt(x) - 2)
        while (sq + 1) ** 2 <= x:
            sq += 1
    else:
        sq = int(math.sqrt(x))
    res += sq
    if x >= 10 ** 7:
        dsq = int(math.sqrt(x//2) - 2)
        while (dsq + 1) ** 2 * 2 <= x:
            dsq += 1
    else:
        dsq = int(math.sqrt(x//2))
    res += dsq
    return res

for _ in range(t):
    l,r=map(int,input().split())
    ans = count(r) - count(l-1)
    print(ans%2)