int main(){
	int n;
	while(scanf("%d",&n)!=EOF){
		int a,b,c,d;
		a=n%10;
		b=n/10%10;
		c=n/100%10;
		d=n/1000;
		int sum=a*a*a*a+b*b*b*b+c*c*c*c+d*d*d*d;
		int count=0;
		while(sum>0){
			sum/=10;
			count++;
		}
		if(count==5){
			printf("YES\n");
		}else{
			printf("No\n");
		}
	}
}