include

include

using namespace std; int main(void){

//freopen("1117.in","r",stdin);
//freopen("1117.out","w",stdout);
int y;
scanf("%d",&y);
if(y%4==0&&y%100!=0){
	printf("yes");
}else if(y%400==0){
	printf("yes");
}else{
	printf("no");
}
return 0;

}