#include<iostream>
using namespace std;
class armstrong
{
    int n,s,t,r;
    public:
    void get();
    void check();
};
void armstrong::get()
{
    cout<<"Enter a number:"<<endl;
    cin>>n;
}
void armstrong::check()
{
    t=n;
    s=0;
    while(n!=0)
    {
        r=n%10;
        s+=r*r*r;
        n=n/10;
    }
    if(s==t)
    cout<<t<<" is a Armstrong number"<<endl;
    else
    cout<<t<<" is not a Armstrong number"<<endl;
}
int main()
{
    armstrong a;
    cout<<"CHECKING ARMSTRONG OR NOT:"<<endl;
    a.get();
    a.check();
    return 0;
}