Codeforces Beta Round #4 (Div. 2 Only)

A

水题

 1 #include<bits/stdc++.h>
 2 using namespace std;
 3 #define lson l,mid,rt<<1
 4 #define rson mid+1,r,rt<<1|1
 5 #define sqr(x) ((x)*(x))
 6 typedef long long ll;
 7 /*#ifndef ONLINE_JUDGE
 8         freopen("1.txt","r",stdin);
 9 #endif */
10 struct sair{
11     ll a,b;
12     int pos;
13     bool operator<(const sair&bb)const{
14         return (b-a)<(bb.b-bb.a);
15     }
16 };
17 
18 int main(){
19     #ifndef ONLINE_JUDGE
20         freopen("1.txt","r",stdin);
21     #endif
22     int n;
23     cin>>n;
24     if(n%2==0&&n!=2&&n!=0) cout<<"YES"<<endl;
25     else cout<<"NO"<<endl;
26 }

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