#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int x; cin>>x; if(x%400==0){ cout<<"yes"<<endl; } else { if(x%4==0){ if(x%100!=0){ cout<<"yes"<<endl; } else { cout<<"no"<<endl; } } else { cout<<"no"<<endl; } } }