CF4A.Watermelon 

 1 #include <iostream>
 2 using namespace std;
 3 
 4 bool IsEven(int n) {
 5     if (n % 2 == 0) return true;
 6     else return false;
 7 }
 8 int main() {
 9     int n;
10     while (cin >> n) {
11         bool flag = false;
12         for (int i = 2; n - i >= 0; i += 2) {
13             if (IsEven(n - i)) {
14                 flag = true;
15                 break;
16             }
17         }
18         if (n == 1 || n == 2) flag = false;
19         if (flag) cout << "YES" << endl;
20         else cout << "NO" << endl;
21     }
22     return 0;
23 }

 

posted @ 2014-01-01 10:04  Angela_Aki  阅读(182)  评论(0)    收藏  举报