Write a program to display the Armstrong number between 1 to 1000

#include<stdio.h>
#include<conio.h>
int main()
{
int i,j,flag=0,no=2,a,b,sum;
while(no<=1000)
{
a=no;
flag=no;
sum=0;
while(flag!=0)
{
b=flag%10;
sum=sum+(b*b*b);
flag=flag/10;
}
if(sum==a)
printf("\n%d",a);
no++;
}
}