题解 | #尼科彻斯定理#
尼科彻斯定理
https://www.nowcoder.com/practice/dbace3a5b3c4480e86ee3277f3fe1e85
m = int(input())
n = m*m*m
even = []
l = []
for i in range(1,int(n/2+2),2):
#if i%2 != 0:
even.append(i)
for i in range(len(even)-m):
if n==sum(even[i:i+m]):
l = even[i:i+m]
print('+'.join(map(str,l)))