Use a function to output the number of daffodils

#include<stdio.h>
int is(int number)
{
	int a,b,c,d=0;
			a=number%10;
			b=number/10%10;
			c=number/100%10;
		if(number==a*a*a+b*b*b+c*c*c)
		{
			d=1;
		}
		return d;
}
intmain()
{
int i,m,n,a;
scanf("%d%d",&m,&n);
for(i=m;i<n;i++)
{
	a=is(i);
	if(a)
	{
		printf("%d\n",i);
	}
}
return 0;
}*/