\begin{array}{c} \color{#db1616}{\texttt{#Khoadang09}} \end{array}

def length(x1,x2,y1,y2):
    return ((x2-x1)**2+(y2-y1)**2) ** 0.5
    
x1, y1, r1, x2, y2, r2 = map(int,input().split())

res = length(x1,x2,y1,y2) #do dai
s = r1 + r2 # tong
if res >= s :
    print("0")
elif res == s :
    print("1")
elif res + r1 > r2 and res + r2 > r1  :
    print("2")
else :
    print("0")

x1,y1,r1,x2,y2,r2 = map(int,input().split())
len = ((x1-x2)**2+(y1-y2)**2)**0.5
print(0 if len>r1+r2 else 1 if len==r1+r2 else 2 if r1-r2r2-r1 else 0)