k=int(nums[-1])
sumc=1
print( len(nums)%k,k)
if len(nums)%k==0:
l=len(nums)//k
for i in range(k):
sumc*=int(nums[l*i:l*i+l])
print(sumc)
elif len(nums)%k==1:
cur=0
l = (len(nums)-1) // k
s,e=0,l
for j in range(k):
while e <= len(nums):
if s==l*j:
e=e+1
sumc*=int(nums[s:e])
print(j, s, e, sumc)
if s==l*j:
s=s+l+1
else:
s+=l
e+=l
cur=max(cur,sumc)
s,e,sumc=0,l,1
print(cur)
elif len(nums)%k==2:
print("2fun")
cur=0
l = (len(nums)+1) // k
s,e=0,l
for j in range(k):
while e <= len(nums)+1:
if s==l*j:
e=e-1
sumc*=int(nums[s:e])
print(j, s, e, sumc)
if s==l*j:
s=s+l-1
else:
s+=l
e+=l
cur=max(cur,sumc)
s,e,sumc=0,l,1
print(cur) #笔经##滴滴#
