having trouble with armstrong program code

[cooldude]

program to print armstrongs numbers between 1 and 500.

#include<stdio.h>
int main()
{
int m,n,sum=0,a;
for(n=1;n<=500;n++)
{
   m=n;
     while(m!=0)
       {
         a=m%10;
         sum=sum+(a*a*a);
         m=m/10;
       }
       if(n==sum)
      printf("%d\n",n);
      
}
}

the above code is not working..please tell me where did it went wrong........

[tabstop]

Presumably you want to reset sum at some point inside your for loop before you start adding to it.

[cooldude]

presumably you want to reset sum at some point inside your for loop before you start adding to it.

thanks a lot