n = int(input()) for x in range(n): coin,amount = input().split() #硬币#金额 coin,amount = int(coin),int(amount) res = 0 #符合条件的组合数 for one in range(coin): for two in range(coin): for five in range(coin): if one+two + five ==coin and one*1 + two*2 + five*5== amount: res +=1 print(res)