#include <stdio.h>
int main()
{
	int a[100];
	int b, c, d, e, f, g, k=0;
	scanf ("%d",&b);
	for (c=101; c<=999; c++) {
		d=b/100;
		e=(b%100)/10;
		f=b%10;
		g=d*d*d+e*e*e+f*f*f;
		if (g==c) {
			printf ("%d",a[k]);
			k++;
		}
	}
	for (k=0; k<=c; k++) printf ("%d",a[k]);
}