#include <iostream>
using namespace std;
int main ( )
{
int n;
cout << "enter the number of pieces" << endl;
cin >> n;
if ( n% 2 == 0 )
cout << n<< "YES" << endl;
else
cout << n<< "NO" << endl;
return 0 ;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwppbnQgbWFpbiAoKQp7CmludCBuOwpjb3V0PDwiZW50ZXIgdGhlIG51bWJlciBvZiBwaWVjZXMiPDxlbmRsOwpjaW4+Pm47CmlmKG4lMj09MCkKY291dDw8bjw8IllFUyI8PGVuZGw7CmVsc2UKY291dDw8bjw8Ik5PIjw8ZW5kbDsKcmV0dXJuIDA7Cn0KICAKCg==
stdin
I2luY2x1ZGUgJmx0O2lvc3RyZWFtJmd0Owp1c2luZyBuYW1lc3BhY2Ugc3RkOwppbnQgbWFpbiAoKQp7CmludCBuOwpjb3V0Jmx0OyZsdDsmcXVvdDtlbnRlciB0aGUgbnVtYmVyIG9mIHBpZWNlcyZxdW90OyZsdDsmbHQ7ZW5kbDsKY2luJmd0OyZndDtuOwppZihuJTI9PTApCmNvdXQmbHQ7Jmx0O24mbHQ7Jmx0OyZxdW90O1lFUyZxdW90OyZsdDsmbHQ7ZW5kbDsKZWxzZQpjb3V0Jmx0OyZsdDtuJmx0OyZsdDsmcXVvdDtOTyZxdW90OyZsdDsmbHQ7ZW5kbDsKcmV0dXJuIDA7Cn0KICAKCg==
#include <iostream>
using namespace std;
int main ()
{
int n;
cout<<"enter the number of pieces"<<endl;
cin>>n;
if(n%2==0)
cout<<n<<"YES"<<endl;
else
cout<<n<<"NO"<<endl;
return 0;
}