n = int(input()) coins = [] for i in range(n): coins.append(list(map(int,input().split()))) for i in coins: cnt = 0 a,b = i[0],i[1] for x in range(a+1): for y in range(a-x+1): if x+y*2+(a-x-y)*5 == b: cnt += 1 print(cnt)