A

#include<stdio.h>
#include<math.h>
int main(void)
{
	int m,n,x;
	int a,b,c;
	double d;

	scanf("%d %d",&m,&n);
	while(scanf("%d%d",&m,&n)!=EOF&&m>=100&&n>=m&&n<=999){
		scanf("%d %d",&m,&n);
		x=m+1;
		a=x/100;
		b=x/10%10;
		c=x%10;
		d=pow(a,3)+pow(b,3)+pow(c,3);
		if(d==x){
			printf("%d",x);
		}
		else if(d!=x){
			printf("no");
		}
	}
	return 0;
}