import sys
input = sys.stdin.readline

# 実験すると、x*x*2^nのときcost+1

T=int(input())
for tests in range(T):
    L,R=map(int,input().split())

    ANS=[]

    for i in range(2):
        MIN=int((L/(1<<i))**(1/2))-1
        MAX=int((R/(1<<i))**(1/2))+1
        MIN=max(1,MIN)

        while MIN*MIN*(1<<i)<L:
            MIN+=1

        while MAX*MAX*(1<<i)>R:
            MAX-=1

        if MIN<=MAX:
            ANS.append(MAX-MIN+1)

            #print(MAX,MIN,MAX*MAX*(1<<i),MIN*MIN*(1<<i))

    #print(ANS)
    
    print(sum(ANS)%2)