#includepython:#include using namespace std; bool is_prime(int n){//判断素数 if(n < 2){ return false; } for(int i = 2; i <= sqrt(n);i++){ if(n % i == 0){ return false; } } return true; } int main(){ int n; while(cin >> n){ int m = n /2; while(m > 1){ if(is_prime(m) && is_prime(n - m)){ cout << m << endl; cout << n - m << endl; break; }else{ m = m - 1; } } } return 0; }
import math
def is_prime(n):
if n < 2:
return False
for i in range(2,int(math.sqrt(n)+1)):
if(n % i == 0):
return False
return True
while True:
try:
n = int(input())
m = n // 2
while m >= 2:
if is_prime(m) and is_prime(n - m):
print(m)
print(n-m)
break
else:
m -= 1
except:
break



