#include<bits/stdc++.h> using namespace std; int main() { int year; cin>>year; if(year>0) { if(year%4!=0) { cout<<year<<"No"; } } else { if(year%100==0) { if(year%400==0) { cout<<year<<"Yes"; } else { cout<<year<<"No"; } } else { cout<<year<<"Yes"; } } return 0; }