def solution(n):
x = n**(1/2)
if x %1 == 0:
return int((x+1)*(x+1))
else:
return -1
def nextSqure(n):
from math import sqrt
return "no" if sqrt(n) % 1 else (sqrt(n)+1)**2
import math
def nextSqure(n):
# 함수를 완성하세요
return 'no' if not math.sqrt(n).is_integer() else (math.sqrt(n)+1)**2