x,y=map(int,input().split())
res=0
if abs(x)<=y:
    n=y
    res=2*n*(2*n-1)+x-(-n)
elif abs(y)<=x:
    n=x
    res=(2*n)**2+abs(y-n)

elif abs(x)<=abs(y):
    n=abs(y)
    res=2*n*(2*n+1)+abs(x-n)

else:
    n=abs(x)
    res=(2*n-1)**2+abs(y-(x+1))

print(res)