t = int(input()) for x in range(t): n,m = input().split() n,m = int(n),int(m) cnt = 0 for a in range(n+1): #0,1,2,3 for b in range(n+1): c = n-a-b #5分钟硬币的数量我们通过n,a,b推导出来 if a*1+b*2+c*5 == m: #print(a,b,c) cnt +=1 print(cnt)