题解 | #查找组成一个偶数最接近的两个素数#

while True:
    try:
        n = int(input())
        a = n//2
        list=[]
        for i in range(a,1,-1):
            for j in range(2,i):
                if i%j==0 or (n-i)%j==0:
                    break
            else:
                list.append(i)
        print(list[0])
        print(n-list[0])
    except:
        break