Contest3145 - the 37th game of 2021 freshman individual training match_ E: Eat watermelon

//
 problem  E:  Eat watermelon 
 The time limit : 1.000 Sec   Memory limit : 128 MB
 
 Title Description 
 The hot summer comes so fast , The little cat and the programming rabbit decided to buy a big and sweet watermelon . But floret and programming rabbit are two very strange animals , Are even fans , They want to cut the watermelon in half , The weight of each part is 2 Multiple of kg （ Greater than 0）. Of course, there are programming rabbits , They soon decided which melon to buy . Children, do you know whether to buy this melon ？
 Input 
 The first line has only one positive integer , It means the weight of watermelon w（ The unit is kilogram ,1<=w<=100）.
 Output 
 If you can meet the requirements , It outputs YES, Otherwise output NO.
 The sample input  Copy
8
 Sample output  Copy
YES
 Tips 
8 Can be divided into 2 and 6, perhaps 4 and 4.

//
#include<bits/stdc++.h>
using namespace std;

int main()
{
    int n;
    while( ~scanf("%d",&n) )
    {
        if( (n&1)==0 )
        {
            if( n==2 ) printf("NO\n");
            else       printf("YES\n");
        }
        else printf("NO\n");
    }
    return 0;
}

//
find:
01  Special data  n==2