#include<iostream>
#include<cstring>
#include<cstdio>
using namespace std;
int main(){
int n;
while(~scanf("%d",&n)){
if(n%100){
if(n%4==0){
printf("yes\n");
}
else
printf("no\n");
}
else{
if(n%400==0){
printf("yes\n");
}
else
printf("no\n");
}
}
return 0;
}