def sht(k):
    tu = 0
    for i in range (1,k):
        if (k%i==0):
            tu = tu+i
    return tu==k
n = int(input('Nhap so luong phan tu='))
a = [0]*n
for i in range (n):
    a[i] = int(input('Nhap a[%d]='%i))
s = sum(a)
print(f'={s}')
if (sht(s)):
    print('la so hoan hao')
else:
    print('khong la so hoan hao')

$\color{red}{\text{#Daoanhviet96}}$

def kt():
    s2 = 0
    for i in range(1,s):
        if s%i==0:
            s2+=i
    if s2==s:
        return "YES"
    else:
        return "NO"
n = int(input("Nhap do dai mang: "))
a = []
s = 0
for i in range(n):
    print("Nhap phan tu thu",i+1,":",end=' ')
    a.append(int(input()))
    s+=a[i]
print(kt())