from bisect import bisect,bisect_left
X = []
for i in range(1,int((10**15)**0.5)+1):
    X.append(i*i)
    X.append(2*i*i)
X.sort()
for _ in range(int(input())):
    l,r = map(int,input().split())
    a = bisect_left(X,l)
    b = bisect(X,r)
    print((b-a)%2)