//Cecks if a three digit number is armstrong
#include<iostream.h>
#include<math.h>
int main()
{
int a;
cout<<"Enter three digit number : ";cin>>a;
int n=a,sum=0;
while(n>0)
{
sum+=pow((n%10),3);
n=n/10;
}
if(sum==a) cout<<a<<" is armstrong";
else cout<<a<<" is not armstrong";
cout<<endl;
return 0;
}