#include<iostream> #include<cmath> using namespace std; int main() { int year; cin>>year; if(year%400==0){ cout<<year<<" "<<"YES"<<endl;} else{ if(year%4==0){ if(year%100!=0) cout<<year<<" "<<"YES"<<endl; else cout<<year<<" "<<"NO"; } else cout<<year<<" "<<"NO"; } return 0; }