Gidits multiplication

Why it isnt right?

def digProd(n):

if (n<10):
    if (n==0):
        return 1
    else:
        return n
else:
    k=n%10
    if (k==0):
        k=1
    return k*digProd(n//10)

x=int(input())
print(digProd(x))