题解 | #尼科彻斯定理#

#用笔硬算的 求点赞 the9是第九城市的意思 为了纪念暴雪
import sys

data=sys.stdin.readlines()
m=int(data[0])
result=m*m*m
base=int(result/m)
jianshu=int(m/2)
jishulist=[i for i in range(1,100,2)]
oushulist=[i for i in range(2,100,2)]

last=[]
if jianshu%2==1:
    if base%2==0:

        for i in range(jianshu):
            last.append(base+jishulist[i])
            last.append(base-jishulist[i])

        the9=""
        for item in sorted(last):
            the9=the9+str(item)+"+"

        print(the9.strip("+"))
    if base%2==1:
        last.append(base)

        for i in range(jianshu):
            last.append(base+oushulist[i])
            last.append(base-oushulist[i])

        the9=""
        for item in sorted(last):
            the9=the9+str(item)+"+"

        print(the9.strip("+"))



if jianshu%2==0:
    if base%2==1:
        last.append(base)

    if base%2==0:

        for i in range(jianshu):
            last.append(base+jishulist[i])
            last.append(base-jishulist[i])

        the9=""
        for item in sorted(last):
            the9=the9+str(item)+"+"

        print(the9.strip("+"))
    if base%2==1:

        for i in range(jianshu):
            last.append(base+oushulist[i])
            last.append(base-oushulist[i])

        the9=""
        for item in sorted(last):
            the9=the9+str(item)+"+"

        print(the9.strip("+"))