t=int(input()) results=[] for x in range(t): n,m=map(int,input().split()) res=0 for i in range(n+1): #1元硬币 for j in range(n-i+1): #2元硬币 k=n-i-j if i*1+j*2+k*5==m: res+=1 results.append(res) for i in results: print(i)