题解 | #查找组成一个偶数最接近的两个素数#

num = int(input())
temp1, temp2, result = [], [], []
# 获取质数，for和else也可以一起使用
for i in range(3, num):
    for j in range(2, i):
        if i % j == 0:
            break
    else:
        temp1.append(i)
# print(temp1)
for m in temp1:
    n = num - m
    if n in temp1:
        temp2.append(n)
# print(temp2)
if num == 4:
    result.append(2)
    result.append(2)
elif len(temp2) == 1:
    result.append(temp2[0])
    result.append(temp2[0])
else:
    a = temp2[(len(temp2) // 2)]
    b = num - a
    result.append(a)
    result.append(b)
for k in result:
    print(k)