题解

#include<bits/stdc++.h>
using namespace std;
int main()
{
int n;
cin>>n;
if((n-1-1)%3!=0)
{
cout<<"YES"<<endl<<"1 1 "<<n-1-1;
}
else if((n-1-2)%3!=0)
{
cout<<"YES"<<endl<<"1 2 "<<n-1-2;
}
else
{
cout<<"NO";
}
return 0;
}