def value(v,p,n):
	sign = -1 if v[0] == 1 else 1
	return sign*sum([v[i]*2**(p-i)for i in range(1,(p+n+1))])
def values(V,p,n):
    v=list(map(int,V))
    sign = -1 if v[0] == 1 else 1
	return sign*sum([v[i]*2**(p-i)for i in range(1,(p+n+1))])